./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2cc02040b1aa9781964ffc9ecf277303a0a6ff2f9d846228baf581e059d70150 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:30:36,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:30:36,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 06:30:36,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:30:36,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:30:36,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:30:36,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:30:36,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:30:36,511 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:30:36,512 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:30:36,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:30:36,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:30:36,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:30:36,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:30:36,514 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:30:36,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:30:36,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:30:36,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:30:36,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:30:36,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:30:36,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:30:36,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:30:36,519 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:30:36,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:30:36,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:30:36,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:30:36,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:30:36,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:30:36,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:30:36,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:30:36,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:30:36,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:30:36,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:30:36,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:30:36,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:30:36,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:30:36,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:30:36,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:30:36,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:30:36,525 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:30:36,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:30:36,525 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_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cc02040b1aa9781964ffc9ecf277303a0a6ff2f9d846228baf581e059d70150 [2023-11-29 06:30:36,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:30:36,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:30:36,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:30:36,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:30:36,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:30:36,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_good.i [2023-11-29 06:30:39,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:30:39,744 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:30:39,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_good.i [2023-11-29 06:30:39,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/data/6e0ea2ede/3502cfcde61b485cba3bfc29cdf30340/FLAG23070183d [2023-11-29 06:30:39,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/data/6e0ea2ede/3502cfcde61b485cba3bfc29cdf30340 [2023-11-29 06:30:39,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:30:39,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:30:39,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:30:39,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:30:39,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:30:39,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:30:39" (1/1) ... [2023-11-29 06:30:39,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7856302b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:39, skipping insertion in model container [2023-11-29 06:30:39,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:30:39" (1/1) ... [2023-11-29 06:30:39,858 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:30:40,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:30:40,636 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:30:40,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:30:40,917 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:30:40,917 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:30:40,917 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:30:40,918 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:30:40,926 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:30:40,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40 WrapperNode [2023-11-29 06:30:40,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:30:40,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:30:40,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:30:40,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:30:40,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:40,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:40,993 INFO L138 Inliner]: procedures = 502, calls = 94, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 161 [2023-11-29 06:30:40,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:30:40,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:30:40,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:30:40,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:30:41,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,030 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [1, 6, 6]. 46 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 6 writes are split as follows [0, 3, 3]. [2023-11-29 06:30:41,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:30:41,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:30:41,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:30:41,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:30:41,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (1/1) ... [2023-11-29 06:30:41,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:30:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:30:41,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:30:41,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:30:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-29 06:30:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-29 06:30:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 06:30:41,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 06:30:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-29 06:30:41,117 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-29 06:30:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:30:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:30:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:30:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:30:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:30:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:30:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:30:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:30:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-29 06:30:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-29 06:30:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 06:30:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:30:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:30:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:30:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:30:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:30:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:30:41,283 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:30:41,285 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:30:41,507 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:30:41,539 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:30:41,540 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:30:41,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:30:41 BoogieIcfgContainer [2023-11-29 06:30:41,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:30:41,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:30:41,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:30:41,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:30:41,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:30:39" (1/3) ... [2023-11-29 06:30:41,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac07461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:30:41, skipping insertion in model container [2023-11-29 06:30:41,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:40" (2/3) ... [2023-11-29 06:30:41,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac07461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:30:41, skipping insertion in model container [2023-11-29 06:30:41,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:30:41" (3/3) ... [2023-11-29 06:30:41,549 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_11_good.i [2023-11-29 06:30:41,565 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:30:41,565 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 06:30:41,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:30:41,616 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;@16a6784, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:30:41,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 06:30:41,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 06:30:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 06:30:41,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:41,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:41,628 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:41,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:41,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1266092005, now seen corresponding path program 1 times [2023-11-29 06:30:41,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:41,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989320204] [2023-11-29 06:30:41,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:30:42,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:42,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989320204] [2023-11-29 06:30:42,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989320204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:42,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:42,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:30:42,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495432112] [2023-11-29 06:30:42,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:42,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:42,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:42,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:42,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:42,051 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-29 06:30:42,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:42,129 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2023-11-29 06:30:42,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:42,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 19 [2023-11-29 06:30:42,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:42,138 INFO L225 Difference]: With dead ends: 78 [2023-11-29 06:30:42,138 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 06:30:42,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:42,144 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 2 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:42,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 260 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:42,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 06:30:42,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 06:30:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 50 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 06:30:42,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2023-11-29 06:30:42,182 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 19 [2023-11-29 06:30:42,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:42,183 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2023-11-29 06:30:42,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-29 06:30:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-29 06:30:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 06:30:42,185 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:42,186 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] [2023-11-29 06:30:42,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:30:42,186 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:42,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:42,187 INFO L85 PathProgramCache]: Analyzing trace with hash -594146419, now seen corresponding path program 1 times [2023-11-29 06:30:42,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:42,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117951599] [2023-11-29 06:30:42,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:42,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:30:42,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:42,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117951599] [2023-11-29 06:30:42,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117951599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:42,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:42,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:30:42,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257367917] [2023-11-29 06:30:42,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:42,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:30:42,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:42,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:30:42,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:30:42,440 INFO L87 Difference]: Start difference. First operand 71 states and 92 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 06:30:42,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:42,520 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions. [2023-11-29 06:30:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:30:42,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2023-11-29 06:30:42,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:42,523 INFO L225 Difference]: With dead ends: 71 [2023-11-29 06:30:42,523 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 06:30:42,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:30:42,525 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 9 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:42,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 225 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:30:42,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 06:30:42,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-29 06:30:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 49 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 06:30:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2023-11-29 06:30:42,539 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 20 [2023-11-29 06:30:42,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:42,539 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2023-11-29 06:30:42,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 06:30:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-29 06:30:42,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 06:30:42,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:42,541 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:42,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:30:42,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:42,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:42,543 INFO L85 PathProgramCache]: Analyzing trace with hash -546017209, now seen corresponding path program 1 times [2023-11-29 06:30:42,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:42,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947212535] [2023-11-29 06:30:42,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:42,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 06:30:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:30:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:30:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 06:30:42,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:42,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947212535] [2023-11-29 06:30:42,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947212535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:42,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:42,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:30:42,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823137995] [2023-11-29 06:30:42,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:42,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:42,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:42,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:42,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:42,673 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 06:30:42,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:42,711 INFO L93 Difference]: Finished difference Result 122 states and 155 transitions. [2023-11-29 06:30:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:42,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2023-11-29 06:30:42,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:42,714 INFO L225 Difference]: With dead ends: 122 [2023-11-29 06:30:42,714 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 06:30:42,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:42,717 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:42,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:42,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 06:30:42,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-29 06:30:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 48 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:30:42,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2023-11-29 06:30:42,729 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 36 [2023-11-29 06:30:42,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:42,730 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2023-11-29 06:30:42,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 06:30:42,730 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2023-11-29 06:30:42,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 06:30:42,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:42,732 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:42,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:30:42,732 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:42,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:42,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1252895481, now seen corresponding path program 1 times [2023-11-29 06:30:42,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:42,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391242975] [2023-11-29 06:30:42,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:42,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:42,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 06:30:42,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:42,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391242975] [2023-11-29 06:30:42,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391242975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:42,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:42,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:30:42,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834469245] [2023-11-29 06:30:42,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:42,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:42,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:42,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:42,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:42,891 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 06:30:42,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:42,930 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2023-11-29 06:30:42,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:42,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 37 [2023-11-29 06:30:42,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:42,933 INFO L225 Difference]: With dead ends: 68 [2023-11-29 06:30:42,933 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 06:30:42,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:42,935 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:42,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 223 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:42,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 06:30:42,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-29 06:30:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.302325581395349) internal successors, (56), 47 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:30:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2023-11-29 06:30:42,945 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 37 [2023-11-29 06:30:42,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:42,946 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2023-11-29 06:30:42,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 06:30:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-29 06:30:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 06:30:42,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:42,948 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:42,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:30:42,949 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:42,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:42,950 INFO L85 PathProgramCache]: Analyzing trace with hash 185054349, now seen corresponding path program 1 times [2023-11-29 06:30:42,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:42,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516893967] [2023-11-29 06:30:42,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:42,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 06:30:43,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:43,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516893967] [2023-11-29 06:30:43,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516893967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:43,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:43,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:30:43,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088277452] [2023-11-29 06:30:43,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:43,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:43,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:43,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:43,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:43,164 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 06:30:43,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:43,214 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2023-11-29 06:30:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:43,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2023-11-29 06:30:43,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:43,216 INFO L225 Difference]: With dead ends: 67 [2023-11-29 06:30:43,216 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 06:30:43,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:30:43,218 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 8 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:43,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 207 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:43,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 06:30:43,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-29 06:30:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 46 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:30:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2023-11-29 06:30:43,228 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 38 [2023-11-29 06:30:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:43,229 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2023-11-29 06:30:43,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 06:30:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2023-11-29 06:30:43,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 06:30:43,231 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:43,231 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:43,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:30:43,232 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:43,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:43,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1295340655, now seen corresponding path program 1 times [2023-11-29 06:30:43,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:43,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901729832] [2023-11-29 06:30:43,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:43,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:30:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 06:30:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 06:30:43,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:43,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901729832] [2023-11-29 06:30:43,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901729832] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:30:43,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136629714] [2023-11-29 06:30:43,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:43,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:30:43,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:30:43,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:30:43,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:30:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:30:43,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:30:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:30:43,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:30:43,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136629714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:43,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:30:43,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-29 06:30:43,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993733098] [2023-11-29 06:30:43,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:43,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:43,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:43,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:43,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:30:43,636 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 06:30:43,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:43,663 INFO L93 Difference]: Finished difference Result 102 states and 126 transitions. [2023-11-29 06:30:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:43,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-11-29 06:30:43,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:43,665 INFO L225 Difference]: With dead ends: 102 [2023-11-29 06:30:43,665 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 06:30:43,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:30:43,667 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:43,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:43,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 06:30:43,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-29 06:30:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.255813953488372) internal successors, (54), 46 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:30:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2023-11-29 06:30:43,676 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 47 [2023-11-29 06:30:43,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:43,676 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2023-11-29 06:30:43,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 06:30:43,677 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-29 06:30:43,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-29 06:30:43,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:43,679 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:43,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:30:43,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:30:43,879 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:43,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:43,880 INFO L85 PathProgramCache]: Analyzing trace with hash 2128010809, now seen corresponding path program 1 times [2023-11-29 06:30:43,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:43,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709881356] [2023-11-29 06:30:43,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:43,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:30:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:30:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:30:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 06:30:44,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:44,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709881356] [2023-11-29 06:30:44,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709881356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:44,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:44,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:30:44,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373463434] [2023-11-29 06:30:44,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:44,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:44,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:44,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:44,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:44,012 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:30:44,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:44,045 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2023-11-29 06:30:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:44,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2023-11-29 06:30:44,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:44,047 INFO L225 Difference]: With dead ends: 67 [2023-11-29 06:30:44,047 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 06:30:44,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:30:44,049 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 9 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:44,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 208 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:44,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 06:30:44,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2023-11-29 06:30:44,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 45 states have internal predecessors, (53), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:30:44,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2023-11-29 06:30:44,056 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 54 [2023-11-29 06:30:44,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:44,057 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2023-11-29 06:30:44,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:30:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-11-29 06:30:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 06:30:44,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:44,058 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:44,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:30:44,059 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:44,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:44,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1543825773, now seen corresponding path program 1 times [2023-11-29 06:30:44,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:44,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109050428] [2023-11-29 06:30:44,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:30:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:30:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:30:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 06:30:44,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:44,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109050428] [2023-11-29 06:30:44,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109050428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:44,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:44,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:30:44,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919970686] [2023-11-29 06:30:44,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:44,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:44,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:44,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:44,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:44,187 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:30:44,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:44,225 INFO L93 Difference]: Finished difference Result 74 states and 95 transitions. [2023-11-29 06:30:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:44,226 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), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2023-11-29 06:30:44,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:44,227 INFO L225 Difference]: With dead ends: 74 [2023-11-29 06:30:44,227 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 06:30:44,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:30:44,228 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 4 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:44,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 219 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:44,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 06:30:44,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2023-11-29 06:30:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 06:30:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2023-11-29 06:30:44,237 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 55 [2023-11-29 06:30:44,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:44,237 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2023-11-29 06:30:44,237 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), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:30:44,238 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2023-11-29 06:30:44,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 06:30:44,239 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:44,239 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:44,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:30:44,239 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:44,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:44,240 INFO L85 PathProgramCache]: Analyzing trace with hash -22659912, now seen corresponding path program 1 times [2023-11-29 06:30:44,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:44,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885469708] [2023-11-29 06:30:44,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:30:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:30:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:30:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 06:30:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 06:30:44,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:44,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885469708] [2023-11-29 06:30:44,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885469708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:44,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:44,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:30:44,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541416303] [2023-11-29 06:30:44,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:44,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:44,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:44,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:44,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:44,386 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 06:30:44,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:44,414 INFO L93 Difference]: Finished difference Result 91 states and 112 transitions. [2023-11-29 06:30:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:44,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2023-11-29 06:30:44,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:44,415 INFO L225 Difference]: With dead ends: 91 [2023-11-29 06:30:44,415 INFO L226 Difference]: Without dead ends: 62 [2023-11-29 06:30:44,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:44,417 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:44,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:44,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-29 06:30:44,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-29 06:30:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 43 states have internal predecessors, (50), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:30:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2023-11-29 06:30:44,424 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 61 [2023-11-29 06:30:44,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:44,425 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2023-11-29 06:30:44,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 06:30:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-11-29 06:30:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 06:30:44,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:44,426 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:44,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:30:44,427 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:44,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:44,427 INFO L85 PathProgramCache]: Analyzing trace with hash -2018157858, now seen corresponding path program 1 times [2023-11-29 06:30:44,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:44,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030500125] [2023-11-29 06:30:44,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:44,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:30:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:30:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:30:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 06:30:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:30:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,579 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-29 06:30:44,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:44,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030500125] [2023-11-29 06:30:44,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030500125] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:30:44,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775460631] [2023-11-29 06:30:44,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:44,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:30:44,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:30:44,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:30:44,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:30:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:44,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:30:44,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:30:44,779 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 06:30:44,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:30:44,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775460631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:44,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:30:44,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-29 06:30:44,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346614507] [2023-11-29 06:30:44,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:44,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:44,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:44,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:44,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:30:44,781 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:30:44,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:44,808 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions. [2023-11-29 06:30:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:44,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 65 [2023-11-29 06:30:44,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:44,809 INFO L225 Difference]: With dead ends: 75 [2023-11-29 06:30:44,809 INFO L226 Difference]: Without dead ends: 62 [2023-11-29 06:30:44,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:30:44,811 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:44,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:44,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-29 06:30:44,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-29 06:30:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 43 states have internal predecessors, (49), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:30:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 77 transitions. [2023-11-29 06:30:44,817 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 77 transitions. Word has length 65 [2023-11-29 06:30:44,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:44,818 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 77 transitions. [2023-11-29 06:30:44,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:30:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2023-11-29 06:30:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-29 06:30:44,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:44,819 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:44,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:30:45,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 06:30:45,025 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:45,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:45,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1740867654, now seen corresponding path program 1 times [2023-11-29 06:30:45,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:45,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671199857] [2023-11-29 06:30:45,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:45,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:30:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:30:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:30:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:30:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:30:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 06:30:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-29 06:30:45,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:45,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671199857] [2023-11-29 06:30:45,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671199857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:45,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:45,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:30:45,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455115992] [2023-11-29 06:30:45,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:45,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:45,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:45,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:45,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:45,163 INFO L87 Difference]: Start difference. First operand 62 states and 77 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:30:45,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:45,195 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2023-11-29 06:30:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:45,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 71 [2023-11-29 06:30:45,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:45,197 INFO L225 Difference]: With dead ends: 62 [2023-11-29 06:30:45,197 INFO L226 Difference]: Without dead ends: 61 [2023-11-29 06:30:45,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:30:45,198 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 7 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:45,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 193 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:45,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-29 06:30:45,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-29 06:30:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 42 states have internal predecessors, (48), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:30:45,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2023-11-29 06:30:45,204 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 76 transitions. Word has length 71 [2023-11-29 06:30:45,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:45,205 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 76 transitions. [2023-11-29 06:30:45,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:30:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2023-11-29 06:30:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 06:30:45,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:45,206 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:45,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:30:45,207 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:45,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:45,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1867677417, now seen corresponding path program 1 times [2023-11-29 06:30:45,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:45,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030303777] [2023-11-29 06:30:45,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:45,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:30:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:30:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:30:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:30:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:30:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 06:30:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-29 06:30:45,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:45,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030303777] [2023-11-29 06:30:45,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030303777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:45,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:45,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:30:45,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909682392] [2023-11-29 06:30:45,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:45,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:45,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:45,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:45,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:30:45,348 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:30:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:45,383 INFO L93 Difference]: Finished difference Result 67 states and 82 transitions. [2023-11-29 06:30:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2023-11-29 06:30:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:45,385 INFO L225 Difference]: With dead ends: 67 [2023-11-29 06:30:45,385 INFO L226 Difference]: Without dead ends: 61 [2023-11-29 06:30:45,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:30:45,386 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 2 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:45,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 201 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:45,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-29 06:30:45,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-29 06:30:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.119047619047619) internal successors, (47), 42 states have internal predecessors, (47), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:30:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2023-11-29 06:30:45,392 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 72 [2023-11-29 06:30:45,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:45,392 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2023-11-29 06:30:45,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:30:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-11-29 06:30:45,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 06:30:45,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:30:45,394 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:45,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:30:45,394 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:30:45,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:30:45,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1617943253, now seen corresponding path program 1 times [2023-11-29 06:30:45,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:30:45,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663035068] [2023-11-29 06:30:45,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:45,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:30:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:30:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:30:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:30:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:30:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:30:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:30:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:30:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:30:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:30:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:30:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:30:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 06:30:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-29 06:30:45,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:30:45,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663035068] [2023-11-29 06:30:45,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663035068] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:30:45,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113170072] [2023-11-29 06:30:45,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:30:45,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:30:45,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:30:45,553 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:30:45,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:30:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:45,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:30:45,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:30:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:30:45,752 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:30:45,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113170072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:45,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:30:45,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-29 06:30:45,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990477138] [2023-11-29 06:30:45,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:45,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:30:45,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:30:45,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:30:45,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:30:45,754 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:30:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:30:45,776 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions. [2023-11-29 06:30:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:30:45,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2023-11-29 06:30:45,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:30:45,777 INFO L225 Difference]: With dead ends: 63 [2023-11-29 06:30:45,777 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:30:45,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:30:45,778 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:30:45,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:30:45,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:30:45,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:30:45,779 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) [2023-11-29 06:30:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:30:45,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2023-11-29 06:30:45,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:30:45,780 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:30:45,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:30:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:30:45,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:30:45,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-29 06:30:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-29 06:30:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-29 06:30:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-29 06:30:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-29 06:30:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-29 06:30:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-29 06:30:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-29 06:30:45,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:30:45,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 06:30:45,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:30:46,030 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-29 06:30:46,030 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 06:30:46,030 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-29 06:30:46,030 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 06:30:46,031 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2023-11-29 06:30:46,031 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2023-11-29 06:30:46,031 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2023-11-29 06:30:46,031 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2023-11-29 06:30:46,031 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-29 06:30:46,031 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-29 06:30:46,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-29 06:30:46,031 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2023-11-29 06:30:46,032 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) [2023-11-29 06:30:46,032 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 06:30:46,032 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2023-11-29 06:30:46,032 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-29 06:30:46,032 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1621 1624) no Hoare annotation was computed. [2023-11-29 06:30:46,032 INFO L895 garLoopResultBuilder]: At program point L1621-4(lines 1621 1624) the Hoare annotation is: (= (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2) 0) [2023-11-29 06:30:46,032 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2023-11-29 06:30:46,032 INFO L902 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: true [2023-11-29 06:30:46,032 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-29 06:30:46,032 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1572) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2023-11-29 06:30:46,033 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1582 1594) no Hoare annotation was computed. [2023-11-29 06:30:46,034 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1582 1594) no Hoare annotation was computed. [2023-11-29 06:30:46,034 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:30:46,034 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 06:30:46,034 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-29 06:30:46,034 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-29 06:30:46,034 INFO L899 garLoopResultBuilder]: For program point L1558-1(line 1558) no Hoare annotation was computed. [2023-11-29 06:30:46,034 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2023-11-29 06:30:46,034 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 1608 1615) no Hoare annotation was computed. [2023-11-29 06:30:46,034 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) [2023-11-29 06:30:46,034 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-29 06:30:46,035 INFO L899 garLoopResultBuilder]: For program point L1600-2(lines 1600 1607) no Hoare annotation was computed. [2023-11-29 06:30:46,035 INFO L895 garLoopResultBuilder]: At program point L1600-4(lines 1600 1607) the Hoare annotation is: (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) [2023-11-29 06:30:46,035 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-29 06:30:46,035 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 06:30:46,035 INFO L899 garLoopResultBuilder]: For program point L1625-1(lines 1625 1632) no Hoare annotation was computed. [2023-11-29 06:30:46,035 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2023-11-29 06:30:46,035 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2023-11-29 06:30:46,035 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2023-11-29 06:30:46,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-29 06:30:46,035 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 06:30:46,036 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-29 06:30:46,036 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2023-11-29 06:30:46,036 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 06:30:46,036 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2023-11-29 06:30:46,036 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2023-11-29 06:30:46,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:30:46,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-29 06:30:46,036 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-29 06:30:46,036 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-29 06:30:46,036 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2023-11-29 06:30:46,037 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2023-11-29 06:30:46,037 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2023-11-29 06:30:46,037 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 06:30:46,037 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-29 06:30:46,037 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2023-11-29 06:30:46,037 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1578 1581) no Hoare annotation was computed. [2023-11-29 06:30:46,037 INFO L895 garLoopResultBuilder]: At program point L1578-4(lines 1578 1581) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 06:30:46,037 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 06:30:46,037 INFO L899 garLoopResultBuilder]: For program point L1570-1(line 1570) no Hoare annotation was computed. [2023-11-29 06:30:46,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-29 06:30:46,038 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2023-11-29 06:30:46,038 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-29 06:30:46,038 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2023-11-29 06:30:46,038 INFO L899 garLoopResultBuilder]: For program point L1562-2(lines 1556 1572) no Hoare annotation was computed. [2023-11-29 06:30:46,038 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-29 06:30:46,041 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:30:46,043 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:30:46,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:30:46 BoogieIcfgContainer [2023-11-29 06:30:46,048 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:30:46,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:30:46,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:30:46,049 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:30:46,049 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:30:41" (3/4) ... [2023-11-29 06:30:46,051 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:30:46,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-29 06:30:46,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-29 06:30:46,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-29 06:30:46,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-29 06:30:46,062 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-29 06:30:46,062 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-29 06:30:46,063 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:30:46,063 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:30:46,165 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:30:46,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:30:46,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:30:46,167 INFO L158 Benchmark]: Toolchain (without parser) took 6379.67ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 105.6MB in the beginning and 125.1MB in the end (delta: -19.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-29 06:30:46,167 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:30:46,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1138.51ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 105.6MB in the beginning and 185.0MB in the end (delta: -79.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2023-11-29 06:30:46,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.75ms. Allocated memory is still 230.7MB. Free memory was 185.0MB in the beginning and 181.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:30:46,168 INFO L158 Benchmark]: Boogie Preprocessor took 55.41ms. Allocated memory is still 230.7MB. Free memory was 181.8MB in the beginning and 178.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:30:46,168 INFO L158 Benchmark]: RCFGBuilder took 489.71ms. Allocated memory is still 230.7MB. Free memory was 178.7MB in the beginning and 157.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 06:30:46,169 INFO L158 Benchmark]: TraceAbstraction took 4504.31ms. Allocated memory is still 230.7MB. Free memory was 156.7MB in the beginning and 131.4MB in the end (delta: 25.2MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-29 06:30:46,169 INFO L158 Benchmark]: Witness Printer took 117.29ms. Allocated memory is still 230.7MB. Free memory was 131.4MB in the beginning and 125.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:30:46,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1138.51ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 105.6MB in the beginning and 185.0MB in the end (delta: -79.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.75ms. Allocated memory is still 230.7MB. Free memory was 185.0MB in the beginning and 181.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.41ms. Allocated memory is still 230.7MB. Free memory was 181.8MB in the beginning and 178.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.71ms. Allocated memory is still 230.7MB. Free memory was 178.7MB in the beginning and 157.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4504.31ms. Allocated memory is still 230.7MB. Free memory was 156.7MB in the beginning and 131.4MB in the end (delta: 25.2MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 117.29ms. Allocated memory is still 230.7MB. Free memory was 131.4MB in the beginning and 125.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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 5 procedures, 78 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 2792 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1839 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 357 IncrementalHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 953 mSDtfsCounter, 357 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 441 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 53, 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, 13 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 59 PreInvPairs, 68 NumberOfFragments, 86 HoareAnnotationTreeSize, 59 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 831 NumberOfCodeBlocks, 831 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 815 ConstructedInterpolants, 0 QuantifiedInterpolants, 1015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 923 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 318/322 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:30:46,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a4662b-67bd-4a7f-ab33-c362bc514031/bin/uautomizer-verify-BQ2R08f2Ya/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