./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme --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 64bit --witnessprinter.graph.data.programhash d87e79fd0a3664c3d6d50cf4e7348a01aa862a87e13910b145f42949abad3100 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:31,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:32,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:47:32,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:32,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:32,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:32,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:32,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:32,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:32,102 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:32,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:32,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:32,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:32,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:32,105 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:32,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:32,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:32,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:47:32,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:32,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:32,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:32,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:32,110 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:47:32,111 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:47:32,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:32,112 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:32,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:32,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:32,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:47:32,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:32,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:32,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:32,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:32,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:32,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:47:32,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:47:32,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:32,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:32,117 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:32,117 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:32,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:32,117 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_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d87e79fd0a3664c3d6d50cf4e7348a01aa862a87e13910b145f42949abad3100 [2023-11-26 10:47:32,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:32,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:32,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:32,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:32,433 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:32,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_good.i [2023-11-26 10:47:35,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:36,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:36,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_good.i [2023-11-26 10:47:36,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/data/523f78576/0cdd67b13c17408aace291eb36a2e346/FLAG1b07c73b4 [2023-11-26 10:47:36,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/data/523f78576/0cdd67b13c17408aace291eb36a2e346 [2023-11-26 10:47:36,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:36,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:36,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:36,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:36,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:36,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e277c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36, skipping insertion in model container [2023-11-26 10:47:36,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:37,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:37,492 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:37,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:37,788 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:47:37,788 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:47:37,789 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:47:37,789 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:47:37,797 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:37,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37 WrapperNode [2023-11-26 10:47:37,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:37,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:37,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:37,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:37,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,900 INFO L138 Inliner]: procedures = 500, calls = 66, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2023-11-26 10:47:37,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:37,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:37,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:37,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:37,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,951 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [1, 4]. 80 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2023-11-26 10:47:37,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:37,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:37,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:37,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:37,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:38,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (1/1) ... [2023-11-26 10:47:38,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:38,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:38,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:38,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 10:47:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 10:47:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 10:47:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 10:47:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:47:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:47:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:47:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:47:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 10:47:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:47:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:47:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:47:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:47:38,259 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:38,262 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:38,565 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:38,621 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:38,621 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 10:47:38,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:38 BoogieIcfgContainer [2023-11-26 10:47:38,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:38,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:47:38,631 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:47:38,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:47:38,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:47:36" (1/3) ... [2023-11-26 10:47:38,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2820b9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:38, skipping insertion in model container [2023-11-26 10:47:38,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:37" (2/3) ... [2023-11-26 10:47:38,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2820b9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:38, skipping insertion in model container [2023-11-26 10:47:38,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:38" (3/3) ... [2023-11-26 10:47:38,644 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_17_good.i [2023-11-26 10:47:38,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:47:38,670 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-26 10:47:38,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:47:38,735 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;@78a073dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:47:38,735 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-26 10:47:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 32 states have (on average 1.6875) internal successors, (54), 44 states have internal predecessors, (54), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:47:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 10:47:38,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:38,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:38,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:38,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:38,754 INFO L85 PathProgramCache]: Analyzing trace with hash -286841406, now seen corresponding path program 1 times [2023-11-26 10:47:38,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:38,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892261562] [2023-11-26 10:47:38,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:38,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:39,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:39,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:39,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892261562] [2023-11-26 10:47:39,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892261562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:39,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:39,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:39,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024956499] [2023-11-26 10:47:39,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:39,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:39,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:39,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:39,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:39,301 INFO L87 Difference]: Start difference. First operand has 52 states, 32 states have (on average 1.6875) internal successors, (54), 44 states have internal predecessors, (54), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:39,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:39,397 INFO L93 Difference]: Finished difference Result 101 states and 124 transitions. [2023-11-26 10:47:39,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:39,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-26 10:47:39,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:39,409 INFO L225 Difference]: With dead ends: 101 [2023-11-26 10:47:39,409 INFO L226 Difference]: Without dead ends: 51 [2023-11-26 10:47:39,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:39,417 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 3 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:39,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 146 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:39,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-26 10:47:39,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-26 10:47:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 44 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:47:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2023-11-26 10:47:39,470 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 9 [2023-11-26 10:47:39,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:39,471 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2023-11-26 10:47:39,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2023-11-26 10:47:39,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 10:47:39,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:39,474 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:39,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:47:39,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:39,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:39,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1692653679, now seen corresponding path program 1 times [2023-11-26 10:47:39,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:39,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688165062] [2023-11-26 10:47:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:39,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:39,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:39,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:39,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688165062] [2023-11-26 10:47:39,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688165062] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:47:39,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073088220] [2023-11-26 10:47:39,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:39,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:39,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:39,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:39,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:47:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:39,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:47:39,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:39,883 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:39,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073088220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:39,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:47:39,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-26 10:47:39,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863784176] [2023-11-26 10:47:39,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:39,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:39,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:39,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:39,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:47:39,893 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:39,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:39,977 INFO L93 Difference]: Finished difference Result 92 states and 105 transitions. [2023-11-26 10:47:39,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:39,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-26 10:47:39,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:39,983 INFO L225 Difference]: With dead ends: 92 [2023-11-26 10:47:39,985 INFO L226 Difference]: Without dead ends: 47 [2023-11-26 10:47:39,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:39,990 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 19 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:39,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 137 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:39,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-26 10:47:39,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-26 10:47:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 40 states have internal predecessors, (45), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:47:39,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2023-11-26 10:47:39,999 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 12 [2023-11-26 10:47:39,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:39,999 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2023-11-26 10:47:40,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-26 10:47:40,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-26 10:47:40,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:40,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:40,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:47:40,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:40,211 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:40,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:40,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1467533724, now seen corresponding path program 1 times [2023-11-26 10:47:40,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:40,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396515035] [2023-11-26 10:47:40,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:40,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:40,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:40,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396515035] [2023-11-26 10:47:40,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396515035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:40,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:40,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:40,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089292677] [2023-11-26 10:47:40,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:40,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:40,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:40,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:40,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:40,563 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:40,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:40,648 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2023-11-26 10:47:40,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:40,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-11-26 10:47:40,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:40,652 INFO L225 Difference]: With dead ends: 47 [2023-11-26 10:47:40,652 INFO L226 Difference]: Without dead ends: 46 [2023-11-26 10:47:40,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:40,656 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 15 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:40,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 114 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:40,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-26 10:47:40,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-26 10:47:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 39 states have internal predecessors, (44), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:47:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2023-11-26 10:47:40,687 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 15 [2023-11-26 10:47:40,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:40,687 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2023-11-26 10:47:40,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:40,688 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-26 10:47:40,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 10:47:40,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:40,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:40,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:47:40,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:40,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:40,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1751119626, now seen corresponding path program 1 times [2023-11-26 10:47:40,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:40,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950138135] [2023-11-26 10:47:40,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:40,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:47:40,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:40,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950138135] [2023-11-26 10:47:40,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950138135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:40,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:40,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:40,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489608325] [2023-11-26 10:47:40,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:40,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:40,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:40,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:40,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:40,772 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:40,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:40,811 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2023-11-26 10:47:40,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:40,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-26 10:47:40,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:40,814 INFO L225 Difference]: With dead ends: 80 [2023-11-26 10:47:40,814 INFO L226 Difference]: Without dead ends: 60 [2023-11-26 10:47:40,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:40,823 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 12 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:40,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 84 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:40,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-26 10:47:40,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 47. [2023-11-26 10:47:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.40625) internal successors, (45), 40 states have internal predecessors, (45), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:47:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2023-11-26 10:47:40,842 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 16 [2023-11-26 10:47:40,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:40,843 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2023-11-26 10:47:40,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-26 10:47:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 10:47:40,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:40,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:40,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:47:40,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:40,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:40,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1751094889, now seen corresponding path program 1 times [2023-11-26 10:47:40,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:40,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855032212] [2023-11-26 10:47:40,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:40,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:47:40,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:40,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855032212] [2023-11-26 10:47:40,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855032212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:40,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:40,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:40,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477414372] [2023-11-26 10:47:40,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:40,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:40,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:40,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:40,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:40,918 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:40,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:40,953 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2023-11-26 10:47:40,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:40,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-26 10:47:40,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:40,954 INFO L225 Difference]: With dead ends: 47 [2023-11-26 10:47:40,955 INFO L226 Difference]: Without dead ends: 46 [2023-11-26 10:47:40,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:40,956 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:40,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:40,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-26 10:47:40,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-26 10:47:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 39 states have internal predecessors, (44), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:47:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2023-11-26 10:47:40,964 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 16 [2023-11-26 10:47:40,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:40,964 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2023-11-26 10:47:40,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:47:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-26 10:47:40,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 10:47:40,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:40,966 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:40,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:47:40,967 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:40,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:40,967 INFO L85 PathProgramCache]: Analyzing trace with hash 735688507, now seen corresponding path program 1 times [2023-11-26 10:47:40,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:40,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815027164] [2023-11-26 10:47:40,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:40,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:47:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:47:41,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:41,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815027164] [2023-11-26 10:47:41,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815027164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:41,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:41,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:41,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790680201] [2023-11-26 10:47:41,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:41,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:41,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:41,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:41,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:41,048 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:47:41,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:41,102 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2023-11-26 10:47:41,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:41,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2023-11-26 10:47:41,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:41,103 INFO L225 Difference]: With dead ends: 58 [2023-11-26 10:47:41,104 INFO L226 Difference]: Without dead ends: 56 [2023-11-26 10:47:41,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:41,105 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 7 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:41,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 122 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:41,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-26 10:47:41,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-26 10:47:41,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.325) internal successors, (53), 47 states have internal predecessors, (53), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 10:47:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2023-11-26 10:47:41,114 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 22 [2023-11-26 10:47:41,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:41,115 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2023-11-26 10:47:41,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:47:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2023-11-26 10:47:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-26 10:47:41,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:41,117 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:41,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:47:41,118 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:41,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:41,118 INFO L85 PathProgramCache]: Analyzing trace with hash 72748932, now seen corresponding path program 1 times [2023-11-26 10:47:41,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:41,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492837288] [2023-11-26 10:47:41,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:41,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:47:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:47:41,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:41,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492837288] [2023-11-26 10:47:41,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492837288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:41,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:41,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:41,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451593160] [2023-11-26 10:47:41,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:41,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:41,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:41,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:41,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:41,215 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:41,256 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2023-11-26 10:47:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:41,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2023-11-26 10:47:41,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:41,258 INFO L225 Difference]: With dead ends: 75 [2023-11-26 10:47:41,258 INFO L226 Difference]: Without dead ends: 59 [2023-11-26 10:47:41,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:41,259 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:41,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 127 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:41,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-26 10:47:41,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-26 10:47:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.302325581395349) internal successors, (56), 50 states have internal predecessors, (56), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 10:47:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2023-11-26 10:47:41,268 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 27 [2023-11-26 10:47:41,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:41,269 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2023-11-26 10:47:41,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2023-11-26 10:47:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-26 10:47:41,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:41,271 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, 1, 1] [2023-11-26 10:47:41,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 10:47:41,271 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:41,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:41,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1694941483, now seen corresponding path program 1 times [2023-11-26 10:47:41,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:41,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550310446] [2023-11-26 10:47:41,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:41,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:47:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:47:41,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:41,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550310446] [2023-11-26 10:47:41,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550310446] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:47:41,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897505706] [2023-11-26 10:47:41,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:41,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:41,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:41,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:41,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:47:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:47:41,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:41,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:47:41,529 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:41,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897505706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:41,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:47:41,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-26 10:47:41,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100433588] [2023-11-26 10:47:41,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:41,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:41,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:41,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:41,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:47:41,532 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:41,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:41,571 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2023-11-26 10:47:41,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:41,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-26 10:47:41,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:41,573 INFO L225 Difference]: With dead ends: 74 [2023-11-26 10:47:41,573 INFO L226 Difference]: Without dead ends: 55 [2023-11-26 10:47:41,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:41,575 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 14 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:41,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 138 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:41,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-26 10:47:41,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-26 10:47:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 46 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 10:47:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2023-11-26 10:47:41,584 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 30 [2023-11-26 10:47:41,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:41,585 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2023-11-26 10:47:41,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:41,586 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-26 10:47:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-26 10:47:41,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:41,587 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 10:47:41,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:41,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:41,794 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:41,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:41,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1047878217, now seen corresponding path program 1 times [2023-11-26 10:47:41,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:41,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21389928] [2023-11-26 10:47:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:41,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:47:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:47:41,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:41,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21389928] [2023-11-26 10:47:41,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21389928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:41,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:41,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:41,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78821647] [2023-11-26 10:47:41,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:41,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:41,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:41,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:41,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:41,889 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:41,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:41,915 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2023-11-26 10:47:41,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:41,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-26 10:47:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:41,918 INFO L225 Difference]: With dead ends: 55 [2023-11-26 10:47:41,918 INFO L226 Difference]: Without dead ends: 53 [2023-11-26 10:47:41,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:41,921 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 7 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:41,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 68 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:41,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-26 10:47:41,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-26 10:47:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 44 states have internal predecessors, (49), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 10:47:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2023-11-26 10:47:41,933 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 32 [2023-11-26 10:47:41,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:41,934 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2023-11-26 10:47:41,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:41,934 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2023-11-26 10:47:41,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-26 10:47:41,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:41,936 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:41,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 10:47:41,937 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:41,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:41,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1117129781, now seen corresponding path program 1 times [2023-11-26 10:47:41,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:41,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513524584] [2023-11-26 10:47:41,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:41,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:47:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 10:47:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-26 10:47:42,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:42,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513524584] [2023-11-26 10:47:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513524584] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:47:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545063732] [2023-11-26 10:47:42,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:42,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:42,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:42,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:42,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:47:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:47:42,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:47:42,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:42,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545063732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:42,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:47:42,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-26 10:47:42,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340743222] [2023-11-26 10:47:42,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:42,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:42,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:42,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:42,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:47:42,275 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:47:42,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:42,364 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2023-11-26 10:47:42,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:42,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2023-11-26 10:47:42,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:42,370 INFO L225 Difference]: With dead ends: 75 [2023-11-26 10:47:42,371 INFO L226 Difference]: Without dead ends: 41 [2023-11-26 10:47:42,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:42,372 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:42,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 121 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:42,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-26 10:47:42,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-26 10:47:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:47:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2023-11-26 10:47:42,378 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 33 [2023-11-26 10:47:42,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:42,379 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-11-26 10:47:42,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:47:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-26 10:47:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 10:47:42,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:42,381 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 10:47:42,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:42,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 10:47:42,588 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:42,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:42,589 INFO L85 PathProgramCache]: Analyzing trace with hash 79013774, now seen corresponding path program 1 times [2023-11-26 10:47:42,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:42,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216074781] [2023-11-26 10:47:42,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:42,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:47:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 10:47:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-26 10:47:42,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:42,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216074781] [2023-11-26 10:47:42,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216074781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:42,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:42,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:42,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403697182] [2023-11-26 10:47:42,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:42,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:42,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:42,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:42,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:42,707 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 10:47:42,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:42,752 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2023-11-26 10:47:42,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:42,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-26 10:47:42,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:42,754 INFO L225 Difference]: With dead ends: 50 [2023-11-26 10:47:42,754 INFO L226 Difference]: Without dead ends: 48 [2023-11-26 10:47:42,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:42,755 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:42,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 106 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:42,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-26 10:47:42,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-26 10:47:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:47:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2023-11-26 10:47:42,768 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 38 [2023-11-26 10:47:42,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:42,768 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2023-11-26 10:47:42,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 10:47:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-11-26 10:47:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-26 10:47:42,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:42,775 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] [2023-11-26 10:47:42,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 10:47:42,776 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:47:42,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:42,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1240709232, now seen corresponding path program 1 times [2023-11-26 10:47:42,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:42,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805413365] [2023-11-26 10:47:42,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:42,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:47:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 10:47:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 10:47:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-26 10:47:42,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:42,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805413365] [2023-11-26 10:47:42,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805413365] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:47:42,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765516928] [2023-11-26 10:47:42,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:42,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:42,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:42,957 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:42,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:47:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:47:43,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:43,140 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-26 10:47:43,140 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:43,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765516928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:43,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:47:43,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-26 10:47:43,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424976609] [2023-11-26 10:47:43,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:43,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:43,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:43,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:43,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:47:43,147 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-26 10:47:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:43,185 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2023-11-26 10:47:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:43,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2023-11-26 10:47:43,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:43,189 INFO L225 Difference]: With dead ends: 51 [2023-11-26 10:47:43,189 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:47:43,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:43,192 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:43,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 130 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:43,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:47:43,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:47:43,195 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) [2023-11-26 10:47:43,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:47:43,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2023-11-26 10:47:43,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:43,195 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:47:43,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-26 10:47:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:47:43,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:47:43,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2023-11-26 10:47:43,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2023-11-26 10:47:43,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2023-11-26 10:47:43,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2023-11-26 10:47:43,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2023-11-26 10:47:43,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2023-11-26 10:47:43,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2023-11-26 10:47:43,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2023-11-26 10:47:43,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2023-11-26 10:47:43,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2023-11-26 10:47:43,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2023-11-26 10:47:43,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2023-11-26 10:47:43,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:43,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-26 10:47:43,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:47:43,518 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 10:47:43,518 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:47:43,518 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 10:47:43,519 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:47:43,519 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 10:47:43,519 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 10:47:43,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2023-11-26 10:47:43,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1575) no Hoare annotation was computed. [2023-11-26 10:47:43,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2023-11-26 10:47:43,520 INFO L902 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: true [2023-11-26 10:47:43,520 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2023-11-26 10:47:43,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-26 10:47:43,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2023-11-26 10:47:43,521 INFO L899 garLoopResultBuilder]: For program point L1557-2(lines 1557 1568) no Hoare annotation was computed. [2023-11-26 10:47:43,525 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2023-11-26 10:47:43,525 INFO L899 garLoopResultBuilder]: For program point L1557-4(line 1557) no Hoare annotation was computed. [2023-11-26 10:47:43,525 INFO L895 garLoopResultBuilder]: At program point L1557-5(lines 1557 1568) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 0 (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483648)))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse1))) [2023-11-26 10:47:43,526 INFO L899 garLoopResultBuilder]: For program point L1557-6(lines 1557 1568) no Hoare annotation was computed. [2023-11-26 10:47:43,526 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2023-11-26 10:47:43,526 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2023-11-26 10:47:43,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-26 10:47:43,526 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:47:43,527 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= 0 (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483648))) [2023-11-26 10:47:43,527 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-26 10:47:43,528 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (= |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2023-11-26 10:47:43,528 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2023-11-26 10:47:43,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1579) no Hoare annotation was computed. [2023-11-26 10:47:43,528 INFO L899 garLoopResultBuilder]: For program point L1575-3(line 1575) no Hoare annotation was computed. [2023-11-26 10:47:43,528 INFO L899 garLoopResultBuilder]: For program point L1575-4(line 1575) no Hoare annotation was computed. [2023-11-26 10:47:43,529 INFO L895 garLoopResultBuilder]: At program point L1575-5(lines 1575 1578) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (= |ULTIMATE.start_goodG2B_~data~1#1| 2)) (= |ULTIMATE.start_goodG2B_~h~0#1| 0)) [2023-11-26 10:47:43,529 INFO L899 garLoopResultBuilder]: For program point L1575-6(lines 1575 1578) no Hoare annotation was computed. [2023-11-26 10:47:43,529 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1567) no Hoare annotation was computed. [2023-11-26 10:47:43,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1579) no Hoare annotation was computed. [2023-11-26 10:47:43,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2023-11-26 10:47:43,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:47:43,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2023-11-26 10:47:43,530 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2023-11-26 10:47:43,530 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2023-11-26 10:47:43,530 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2023-11-26 10:47:43,531 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2023-11-26 10:47:43,531 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (let ((.cse0 (<= 0 (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483648)))) (or (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) .cse0) (and .cse0 (= |ULTIMATE.start_goodB2G_~i~1#1| 0)))) [2023-11-26 10:47:43,531 INFO L899 garLoopResultBuilder]: For program point L1553-6(lines 1553 1556) no Hoare annotation was computed. [2023-11-26 10:47:43,531 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1586) no Hoare annotation was computed. [2023-11-26 10:47:43,531 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2023-11-26 10:47:43,532 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2023-11-26 10:47:43,532 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2023-11-26 10:47:43,532 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= 0 (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483648))) [2023-11-26 10:47:43,533 INFO L899 garLoopResultBuilder]: For program point L1562-1(line 1562) no Hoare annotation was computed. [2023-11-26 10:47:43,533 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1575) no Hoare annotation was computed. [2023-11-26 10:47:43,534 INFO L899 garLoopResultBuilder]: For program point L1579-3(line 1579) no Hoare annotation was computed. [2023-11-26 10:47:43,534 INFO L899 garLoopResultBuilder]: For program point L1579-4(line 1579) no Hoare annotation was computed. [2023-11-26 10:47:43,534 INFO L895 garLoopResultBuilder]: At program point L1579-5(lines 1579 1585) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse1 (= |ULTIMATE.start_goodG2B_~data~1#1| 2))) (or (and (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse0 .cse1) (and (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse0 .cse1))) [2023-11-26 10:47:43,538 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:43,541 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:47:43,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#data~0!base][~#data~0!offset] could not be translated [2023-11-26 10:47:43,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#data~0!base][~#data~0!offset] could not be translated [2023-11-26 10:47:43,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#data~0!base][~#data~0!offset] could not be translated [2023-11-26 10:47:43,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#data~0!base][~#data~0!offset] could not be translated [2023-11-26 10:47:43,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:47:43 BoogieIcfgContainer [2023-11-26 10:47:43,565 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:47:43,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:47:43,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:47:43,566 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:47:43,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:38" (3/4) ... [2023-11-26 10:47:43,569 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:47:43,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 10:47:43,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 10:47:43,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-26 10:47:43,583 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 10:47:43,583 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:47:43,584 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:47:43,718 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:47:43,719 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:47:43,719 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:47:43,720 INFO L158 Benchmark]: Toolchain (without parser) took 7505.53ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 91.6MB in the beginning and 160.0MB in the end (delta: -68.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:43,720 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:43,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1580.49ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 71.5MB in the end (delta: 19.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-26 10:47:43,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.15ms. Allocated memory is still 140.5MB. Free memory was 71.5MB in the beginning and 68.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:43,722 INFO L158 Benchmark]: Boogie Preprocessor took 96.03ms. Allocated memory is still 140.5MB. Free memory was 68.8MB in the beginning and 65.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:47:43,722 INFO L158 Benchmark]: RCFGBuilder took 624.07ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 65.8MB in the beginning and 126.5MB in the end (delta: -60.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:47:43,723 INFO L158 Benchmark]: TraceAbstraction took 4934.45ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 125.5MB in the beginning and 165.2MB in the end (delta: -39.7MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2023-11-26 10:47:43,723 INFO L158 Benchmark]: Witness Printer took 153.85ms. Allocated memory is still 205.5MB. Free memory was 165.2MB in the beginning and 160.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:47:43,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1580.49ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 71.5MB in the end (delta: 19.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.15ms. Allocated memory is still 140.5MB. Free memory was 71.5MB in the beginning and 68.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.03ms. Allocated memory is still 140.5MB. Free memory was 68.8MB in the beginning and 65.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 624.07ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 65.8MB in the beginning and 126.5MB in the end (delta: -60.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4934.45ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 125.5MB in the beginning and 165.2MB in the end (delta: -39.7MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * Witness Printer took 153.85ms. Allocated memory is still 205.5MB. Free memory was 165.2MB in the beginning and 160.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#data~0!base][~#data~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#data~0!base][~#data~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#data~0!base][~#data~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#data~0!base][~#data~0!offset] could not be translated * 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: 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 3 procedures, 52 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 1413 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 925 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 346 IncrementalHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 488 mSDtfsCounter, 346 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=7, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 28 PreInvPairs, 40 NumberOfFragments, 138 HoareAnnotationTreeSize, 28 FomulaSimplifications, 58 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 419 NumberOfCodeBlocks, 419 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 403 ConstructedInterpolants, 0 QuantifiedInterpolants, 611 SizeOfPredicates, 4 NumberOfNonLiveVariables, 682 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 112/116 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 12 specifications checked. All of them hold - InvariantResult [Line: 1575]: Loop Invariant Derived loop invariant: (((1 <= h) && (data == 2)) || (h == 0)) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: (((1 <= i) && (1 <= k)) || ((1 <= i) && (k == 0))) - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: ((((j == 0) && (1 <= h)) && (data == 2)) || (((1 <= j) && (1 <= h)) && (data == 2))) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: ((1 <= i) || (i == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-26 10:47:43,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e632b8-b98b-4032-8aa6-adc59548653f/bin/uautomizer-verify-VRDe98Ueme/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