./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/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_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/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_dc0df909-ec71-4ee2-8f20-089701ab7661/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 b7344d097d65f119e03a45c632facc61e6810404367546208343f8dd8218e1be --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:06,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:06,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:49:06,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:06,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:06,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:06,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:06,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:06,405 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:06,409 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:06,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:06,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:06,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:06,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:06,414 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:06,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:06,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:06,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:06,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:06,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:06,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:06,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:06,418 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:49:06,418 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:06,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:06,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:06,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:06,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:06,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:06,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:06,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:06,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:06,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:06,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:06,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:06,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:06,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:06,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:06,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:06,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:06,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:06,427 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_dc0df909-ec71-4ee2-8f20-089701ab7661/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7344d097d65f119e03a45c632facc61e6810404367546208343f8dd8218e1be [2023-11-26 11:49:06,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:06,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:06,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:06,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:06,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:06,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_good.i [2023-11-26 11:49:09,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:10,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:10,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_good.i [2023-11-26 11:49:10,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/data/fdfb97713/0c730f0c76e349c3a69eb5d9e538ef52/FLAGed2d27aff [2023-11-26 11:49:10,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/data/fdfb97713/0c730f0c76e349c3a69eb5d9e538ef52 [2023-11-26 11:49:10,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:10,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:10,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:10,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:10,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:10,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:10" (1/1) ... [2023-11-26 11:49:10,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d5e4fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:10, skipping insertion in model container [2023-11-26 11:49:10,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:10" (1/1) ... [2023-11-26 11:49:10,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:11,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:11,688 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:11,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:12,001 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:49:12,002 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:49:12,002 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:49:12,003 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:49:12,011 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:12,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12 WrapperNode [2023-11-26 11:49:12,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:12,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:12,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:12,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:12,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,126 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 194 [2023-11-26 11:49:12,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:12,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:12,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:12,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:12,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,178 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 11:49:12,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:12,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:12,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:12,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:12,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (1/1) ... [2023-11-26 11:49:12,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:12,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:12,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:12,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 11:49:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 11:49:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 11:49:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 11:49:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:49:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 11:49:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:49:12,508 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:12,511 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:12,924 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:12,958 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:12,958 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:49:12,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:12 BoogieIcfgContainer [2023-11-26 11:49:12,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:12,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:49:12,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:49:12,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:49:12,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:49:10" (1/3) ... [2023-11-26 11:49:12,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2982a5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:12, skipping insertion in model container [2023-11-26 11:49:12,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:12" (2/3) ... [2023-11-26 11:49:12,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2982a5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:12, skipping insertion in model container [2023-11-26 11:49:12,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:12" (3/3) ... [2023-11-26 11:49:12,968 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_22_good.i [2023-11-26 11:49:12,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:49:12,989 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-26 11:49:13,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:49:13,069 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;@610ba896, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:49:13,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-26 11:49:13,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 63 states have (on average 1.6031746031746033) internal successors, (101), 69 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-26 11:49:13,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 11:49:13,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:13,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:13,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:49:13,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:13,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1840284954, now seen corresponding path program 1 times [2023-11-26 11:49:13,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:13,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267869983] [2023-11-26 11:49:13,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:13,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:49:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:13,670 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 11:49:13,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:13,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267869983] [2023-11-26 11:49:13,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267869983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:13,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:13,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:49:13,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566616701] [2023-11-26 11:49:13,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:13,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:49:13,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:13,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:49:13,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:49:13,734 INFO L87 Difference]: Start difference. First operand has 80 states, 63 states have (on average 1.6031746031746033) internal successors, (101), 69 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 7.0) 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 11:49:13,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:13,789 INFO L93 Difference]: Finished difference Result 80 states and 117 transitions. [2023-11-26 11:49:13,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:49:13,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) 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 11:49:13,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:13,801 INFO L225 Difference]: With dead ends: 80 [2023-11-26 11:49:13,802 INFO L226 Difference]: Without dead ends: 73 [2023-11-26 11:49:13,805 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 11:49:13,809 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 2 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:13,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 212 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:13,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-26 11:49:13,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-26 11:49:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 60 states have (on average 1.5833333333333333) internal successors, (95), 64 states have internal predecessors, (95), 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 11:49:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2023-11-26 11:49:13,859 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 16 [2023-11-26 11:49:13,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:13,861 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2023-11-26 11:49:13,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) 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 11:49:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2023-11-26 11:49:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:49:13,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:13,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:13,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:49:13,865 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:49:13,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:13,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1214258859, now seen corresponding path program 1 times [2023-11-26 11:49:13,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:13,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551478034] [2023-11-26 11:49:13,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:13,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:14,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:49:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:14,157 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 11:49:14,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:14,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551478034] [2023-11-26 11:49:14,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551478034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:14,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:14,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:14,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642075568] [2023-11-26 11:49:14,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:14,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:49:14,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:14,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:49:14,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:49:14,169 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 11:49:14,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:14,250 INFO L93 Difference]: Finished difference Result 73 states and 107 transitions. [2023-11-26 11:49:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:49:14,251 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), 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 17 [2023-11-26 11:49:14,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:14,254 INFO L225 Difference]: With dead ends: 73 [2023-11-26 11:49:14,254 INFO L226 Difference]: Without dead ends: 72 [2023-11-26 11:49:14,256 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 11:49:14,258 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 7 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:14,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 284 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-26 11:49:14,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-26 11:49:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.5666666666666667) internal successors, (94), 63 states have internal predecessors, (94), 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 11:49:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 106 transitions. [2023-11-26 11:49:14,287 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 106 transitions. Word has length 17 [2023-11-26 11:49:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:14,288 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 106 transitions. [2023-11-26 11:49:14,288 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), 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 11:49:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2023-11-26 11:49:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-26 11:49:14,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:14,290 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] [2023-11-26 11:49:14,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:49:14,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:49:14,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:14,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1474747826, now seen corresponding path program 1 times [2023-11-26 11:49:14,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:14,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365636752] [2023-11-26 11:49:14,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:14,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:49:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:14,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 11:49:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:49:14,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:14,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365636752] [2023-11-26 11:49:14,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365636752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:14,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:14,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:14,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225543966] [2023-11-26 11:49:14,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:14,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:49:14,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:14,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:49:14,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:49:14,432 INFO L87 Difference]: Start difference. First operand 72 states and 106 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 11:49:14,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:14,474 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2023-11-26 11:49:14,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:49:14,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 30 [2023-11-26 11:49:14,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:14,481 INFO L225 Difference]: With dead ends: 113 [2023-11-26 11:49:14,481 INFO L226 Difference]: Without dead ends: 70 [2023-11-26 11:49:14,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 11:49:14,483 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 100 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:14,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 97 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:14,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-26 11:49:14,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-26 11:49:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 59 states have (on average 1.5593220338983051) internal successors, (92), 62 states have internal predecessors, (92), 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 11:49:14,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 102 transitions. [2023-11-26 11:49:14,495 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 102 transitions. Word has length 30 [2023-11-26 11:49:14,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:14,496 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 102 transitions. [2023-11-26 11:49:14,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 11:49:14,497 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2023-11-26 11:49:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-26 11:49:14,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:14,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:14,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:49:14,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:49:14,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:14,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1921726650, now seen corresponding path program 1 times [2023-11-26 11:49:14,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:14,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894975978] [2023-11-26 11:49:14,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:14,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:14,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:49:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:49:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:14,738 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 11:49:14,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:14,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894975978] [2023-11-26 11:49:14,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894975978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:14,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:14,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:49:14,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070183504] [2023-11-26 11:49:14,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:14,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:49:14,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:14,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:49:14,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:49:14,743 INFO L87 Difference]: Start difference. First operand 70 states and 102 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 11:49:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:14,774 INFO L93 Difference]: Finished difference Result 70 states and 102 transitions. [2023-11-26 11:49:14,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:49:14,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 31 [2023-11-26 11:49:14,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:14,779 INFO L225 Difference]: With dead ends: 70 [2023-11-26 11:49:14,779 INFO L226 Difference]: Without dead ends: 69 [2023-11-26 11:49:14,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 11:49:14,791 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 2 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:14,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 186 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:14,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-26 11:49:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-26 11:49:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 61 states have internal predecessors, (91), 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 11:49:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 101 transitions. [2023-11-26 11:49:14,809 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 101 transitions. Word has length 31 [2023-11-26 11:49:14,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:14,810 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 101 transitions. [2023-11-26 11:49:14,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 11:49:14,811 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2023-11-26 11:49:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-26 11:49:14,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:14,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:14,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:49:14,819 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:49:14,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:14,821 INFO L85 PathProgramCache]: Analyzing trace with hash 556016222, now seen corresponding path program 1 times [2023-11-26 11:49:14,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:14,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593873887] [2023-11-26 11:49:14,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:14,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:49:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:49:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,012 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 11:49:15,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:15,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593873887] [2023-11-26 11:49:15,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593873887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:15,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:15,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:15,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325512542] [2023-11-26 11:49:15,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:15,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:49:15,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:15,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:49:15,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:49:15,017 INFO L87 Difference]: Start difference. First operand 69 states and 101 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 11:49:15,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:15,062 INFO L93 Difference]: Finished difference Result 69 states and 101 transitions. [2023-11-26 11:49:15,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:49:15,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 11:49:15,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:15,066 INFO L225 Difference]: With dead ends: 69 [2023-11-26 11:49:15,066 INFO L226 Difference]: Without dead ends: 68 [2023-11-26 11:49:15,066 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 11:49:15,067 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 6 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:15,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 268 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:15,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-26 11:49:15,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-26 11:49:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 60 states have internal predecessors, (90), 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 11:49:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2023-11-26 11:49:15,080 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 32 [2023-11-26 11:49:15,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:15,081 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2023-11-26 11:49:15,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 11:49:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2023-11-26 11:49:15,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-26 11:49:15,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:15,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:15,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:49:15,086 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:49:15,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:15,087 INFO L85 PathProgramCache]: Analyzing trace with hash 556548231, now seen corresponding path program 1 times [2023-11-26 11:49:15,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:15,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668858079] [2023-11-26 11:49:15,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:15,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:49:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:49:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,171 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 11:49:15,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:15,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668858079] [2023-11-26 11:49:15,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668858079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:15,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:15,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:15,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171533939] [2023-11-26 11:49:15,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:15,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:49:15,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:15,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:49:15,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:49:15,178 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 11:49:15,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:15,218 INFO L93 Difference]: Finished difference Result 80 states and 110 transitions. [2023-11-26 11:49:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:49:15,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 11:49:15,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:15,220 INFO L225 Difference]: With dead ends: 80 [2023-11-26 11:49:15,226 INFO L226 Difference]: Without dead ends: 74 [2023-11-26 11:49:15,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 11:49:15,227 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 21 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:15,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 177 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:15,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-26 11:49:15,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-26 11:49:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 63 states have (on average 1.492063492063492) internal successors, (94), 64 states have internal predecessors, (94), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 11:49:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2023-11-26 11:49:15,236 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 32 [2023-11-26 11:49:15,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:15,237 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2023-11-26 11:49:15,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 11:49:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2023-11-26 11:49:15,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-26 11:49:15,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:15,238 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:15,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:49:15,239 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:49:15,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:15,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1021302304, now seen corresponding path program 1 times [2023-11-26 11:49:15,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:15,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058331827] [2023-11-26 11:49:15,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:15,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:49:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:49:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-26 11:49:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 11:49:15,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:15,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058331827] [2023-11-26 11:49:15,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058331827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:15,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:15,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:15,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619955748] [2023-11-26 11:49:15,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:15,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:49:15,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:15,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:49:15,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:49:15,368 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:49:15,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:15,407 INFO L93 Difference]: Finished difference Result 74 states and 104 transitions. [2023-11-26 11:49:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:49:15,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2023-11-26 11:49:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:15,411 INFO L225 Difference]: With dead ends: 74 [2023-11-26 11:49:15,411 INFO L226 Difference]: Without dead ends: 73 [2023-11-26 11:49:15,411 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 11:49:15,412 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 5 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:15,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 273 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-26 11:49:15,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-26 11:49:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 11:49:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2023-11-26 11:49:15,429 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 39 [2023-11-26 11:49:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:15,430 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2023-11-26 11:49:15,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:49:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2023-11-26 11:49:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-26 11:49:15,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:15,431 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:15,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:49:15,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:49:15,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:15,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1595600600, now seen corresponding path program 1 times [2023-11-26 11:49:15,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:15,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309558788] [2023-11-26 11:49:15,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:15,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:49:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:49:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-26 11:49:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 11:49:15,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:15,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309558788] [2023-11-26 11:49:15,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309558788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:15,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:15,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:15,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037257952] [2023-11-26 11:49:15,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:15,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:49:15,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:15,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:49:15,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:49:15,615 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:49:15,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:15,644 INFO L93 Difference]: Finished difference Result 73 states and 103 transitions. [2023-11-26 11:49:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:49:15,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2023-11-26 11:49:15,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:15,647 INFO L225 Difference]: With dead ends: 73 [2023-11-26 11:49:15,647 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:49:15,648 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 11:49:15,649 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 2 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:15,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 273 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:15,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:49:15,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:49:15,651 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 11:49:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:49:15,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2023-11-26 11:49:15,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:15,652 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:49:15,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:49:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:49:15,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:49:15,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-26 11:49:15,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-26 11:49:15,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-26 11:49:15,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-26 11:49:15,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-26 11:49:15,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-26 11:49:15,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:49:15,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 11:49:15,715 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 11:49:15,715 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 11:49:15,715 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 11:49:15,715 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 11:49:15,715 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 11:49:15,716 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 11:49:15,716 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1621) no Hoare annotation was computed. [2023-11-26 11:49:15,716 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2023-11-26 11:49:15,716 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2023-11-26 11:49:15,716 INFO L902 garLoopResultBuilder]: At program point L1638(line 1638) the Hoare annotation is: true [2023-11-26 11:49:15,717 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2023-11-26 11:49:15,717 INFO L899 garLoopResultBuilder]: For program point L1638-1(line 1638) no Hoare annotation was computed. [2023-11-26 11:49:15,717 INFO L899 garLoopResultBuilder]: For program point L1605-1(line 1605) no Hoare annotation was computed. [2023-11-26 11:49:15,717 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2023-11-26 11:49:15,718 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,718 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-11-26 11:49:15,718 INFO L899 garLoopResultBuilder]: For program point L1556-1(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,718 INFO L899 garLoopResultBuilder]: For program point L1556-3(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,719 INFO L899 garLoopResultBuilder]: For program point L1556-5(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,719 INFO L899 garLoopResultBuilder]: For program point L1556-7(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,719 INFO L899 garLoopResultBuilder]: For program point L1556-8(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,719 INFO L899 garLoopResultBuilder]: For program point L1556-10(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,719 INFO L899 garLoopResultBuilder]: For program point L1556-12(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,720 INFO L899 garLoopResultBuilder]: For program point L1556-14(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,720 INFO L899 garLoopResultBuilder]: For program point L1556-16(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,720 INFO L899 garLoopResultBuilder]: For program point L1556-18(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,720 INFO L899 garLoopResultBuilder]: For program point L1556-20(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,721 INFO L899 garLoopResultBuilder]: For program point L1556-22(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,721 INFO L899 garLoopResultBuilder]: For program point L1556-23(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,721 INFO L899 garLoopResultBuilder]: For program point L1556-25(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,721 INFO L899 garLoopResultBuilder]: For program point L1556-27(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,721 INFO L899 garLoopResultBuilder]: For program point L1556-29(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,722 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: (and (= ~CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G2Global~0 1) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G2Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G1Global~0 0)) [2023-11-26 11:49:15,722 INFO L899 garLoopResultBuilder]: For program point L1556-30(line 1556) no Hoare annotation was computed. [2023-11-26 11:49:15,722 INFO L899 garLoopResultBuilder]: For program point L1623-1(line 1623) no Hoare annotation was computed. [2023-11-26 11:49:15,722 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G1Global~0 0)) [2023-11-26 11:49:15,722 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2023-11-26 11:49:15,722 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 11:49:15,723 INFO L895 garLoopResultBuilder]: At program point L1627(line 1627) the Hoare annotation is: (and (= ~CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G2Global~0 1) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G2Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G1Global~0 0)) [2023-11-26 11:49:15,723 INFO L899 garLoopResultBuilder]: For program point L1627-1(line 1627) no Hoare annotation was computed. [2023-11-26 11:49:15,723 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G1Global~0 0)) [2023-11-26 11:49:15,723 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-26 11:49:15,723 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1621) no Hoare annotation was computed. [2023-11-26 11:49:15,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2023-11-26 11:49:15,724 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1613) no Hoare annotation was computed. [2023-11-26 11:49:15,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2023-11-26 11:49:15,724 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1641) no Hoare annotation was computed. [2023-11-26 11:49:15,724 INFO L899 garLoopResultBuilder]: For program point L1565(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,725 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,725 INFO L899 garLoopResultBuilder]: For program point L1565-3(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,725 INFO L899 garLoopResultBuilder]: For program point L1565-5(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,725 INFO L899 garLoopResultBuilder]: For program point L1565-7(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,725 INFO L899 garLoopResultBuilder]: For program point L1565-8(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,725 INFO L899 garLoopResultBuilder]: For program point L1565-10(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,725 INFO L899 garLoopResultBuilder]: For program point L1565-12(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,726 INFO L899 garLoopResultBuilder]: For program point L1565-14(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,726 INFO L899 garLoopResultBuilder]: For program point L1615(lines 1615 1630) no Hoare annotation was computed. [2023-11-26 11:49:15,726 INFO L899 garLoopResultBuilder]: For program point L1565-16(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,726 INFO L899 garLoopResultBuilder]: For program point L1565-18(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,726 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 11:49:15,727 INFO L899 garLoopResultBuilder]: For program point L1565-20(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,727 INFO L899 garLoopResultBuilder]: For program point L1565-22(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,727 INFO L899 garLoopResultBuilder]: For program point L1565-23(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,727 INFO L899 garLoopResultBuilder]: For program point L1565-25(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,727 INFO L899 garLoopResultBuilder]: For program point L1565-27(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,728 INFO L899 garLoopResultBuilder]: For program point L1565-29(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,728 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: false [2023-11-26 11:49:15,728 INFO L899 garLoopResultBuilder]: For program point L1565-30(line 1565) no Hoare annotation was computed. [2023-11-26 11:49:15,728 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2023-11-26 11:49:15,728 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1640) no Hoare annotation was computed. [2023-11-26 11:49:15,728 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1629) no Hoare annotation was computed. [2023-11-26 11:49:15,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-26 11:49:15,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-26 11:49:15,729 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1628) no Hoare annotation was computed. [2023-11-26 11:49:15,730 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2023-11-26 11:49:15,730 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1612) no Hoare annotation was computed. [2023-11-26 11:49:15,730 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2023-11-26 11:49:15,731 INFO L899 garLoopResultBuilder]: For program point L1603-2(lines 1595 1614) no Hoare annotation was computed. [2023-11-26 11:49:15,732 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (= ~CWE191_Integer_Underflow__int_rand_postdec_22_goodB2G1Global~0 0) [2023-11-26 11:49:15,732 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2023-11-26 11:49:15,736 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:15,738 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:49:15,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:49:15 BoogieIcfgContainer [2023-11-26 11:49:15,745 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:49:15,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:49:15,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:49:15,746 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:49:15,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:12" (3/4) ... [2023-11-26 11:49:15,749 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:49:15,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 11:49:15,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 11:49:15,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-26 11:49:15,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-26 11:49:15,771 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:49:15,772 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:49:15,908 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:49:15,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:49:15,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:49:15,910 INFO L158 Benchmark]: Toolchain (without parser) took 5526.31ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 115.8MB in the beginning and 134.9MB in the end (delta: -19.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-26 11:49:15,910 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:49:15,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1627.41ms. Allocated memory is still 163.6MB. Free memory was 115.4MB in the beginning and 94.0MB in the end (delta: 21.4MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-11-26 11:49:15,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.08ms. Allocated memory is still 163.6MB. Free memory was 94.0MB in the beginning and 90.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:49:15,911 INFO L158 Benchmark]: Boogie Preprocessor took 58.13ms. Allocated memory is still 163.6MB. Free memory was 90.1MB in the beginning and 87.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:49:15,912 INFO L158 Benchmark]: RCFGBuilder took 758.32ms. Allocated memory is still 163.6MB. Free memory was 87.1MB in the beginning and 123.1MB in the end (delta: -36.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-26 11:49:15,912 INFO L158 Benchmark]: TraceAbstraction took 2784.20ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 122.1MB in the beginning and 142.3MB in the end (delta: -20.2MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-26 11:49:15,913 INFO L158 Benchmark]: Witness Printer took 163.26ms. Allocated memory is still 201.3MB. Free memory was 142.3MB in the beginning and 134.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:49:15,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1627.41ms. Allocated memory is still 163.6MB. Free memory was 115.4MB in the beginning and 94.0MB in the end (delta: 21.4MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.08ms. Allocated memory is still 163.6MB. Free memory was 94.0MB in the beginning and 90.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.13ms. Allocated memory is still 163.6MB. Free memory was 90.1MB in the beginning and 87.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 758.32ms. Allocated memory is still 163.6MB. Free memory was 87.1MB in the beginning and 123.1MB in the end (delta: -36.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2784.20ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 122.1MB in the beginning and 142.3MB in the end (delta: -20.2MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 163.26ms. Allocated memory is still 201.3MB. Free memory was 142.3MB in the beginning and 134.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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, 80 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 1770 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1002 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 768 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 18 PreInvPairs, 20 NumberOfFragments, 42 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 8/8 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:49:15,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0df909-ec71-4ee2-8f20-089701ab7661/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE