./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/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_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/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_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/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 4401885cec14ac54d274bcfcff9534a3fcc6e4f5a26842ec7be21490efcec87d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:10:48,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:10:49,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 07:10:49,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:10:49,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:10:49,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:10:49,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:10:49,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:10:49,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:10:49,077 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:10:49,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:10:49,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:10:49,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:10:49,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:10:49,080 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:10:49,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:10:49,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:10:49,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:10:49,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:10:49,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:10:49,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:10:49,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:10:49,084 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 07:10:49,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 07:10:49,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:10:49,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:10:49,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:10:49,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:10:49,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:10:49,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:10:49,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:10:49,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:10:49,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:10:49,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:10:49,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:10:49,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:10:49,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:10:49,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:10:49,089 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:10:49,090 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:10:49,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:10:49,090 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_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4401885cec14ac54d274bcfcff9534a3fcc6e4f5a26842ec7be21490efcec87d [2023-11-29 07:10:49,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:10:49,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:10:49,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:10:49,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:10:49,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:10:49,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_good.i [2023-11-29 07:10:52,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:10:52,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:10:52,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_good.i [2023-11-29 07:10:52,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/data/bf9d561a8/13ac876d039f4c4b8ffc2ad207e1b888/FLAG46dc682b1 [2023-11-29 07:10:52,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/data/bf9d561a8/13ac876d039f4c4b8ffc2ad207e1b888 [2023-11-29 07:10:52,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:10:52,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:10:52,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:10:52,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:10:52,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:10:52,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:10:52" (1/1) ... [2023-11-29 07:10:52,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7638d289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:52, skipping insertion in model container [2023-11-29 07:10:52,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:10:52" (1/1) ... [2023-11-29 07:10:52,461 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:10:53,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:10:53,232 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:10:53,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:10:53,455 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:10:53,455 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:10:53,455 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:10:53,455 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:10:53,463 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:10:53,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53 WrapperNode [2023-11-29 07:10:53,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:10:53,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:10:53,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:10:53,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:10:53,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,527 INFO L138 Inliner]: procedures = 502, calls = 94, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 161 [2023-11-29 07:10:53,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:10:53,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:10:53,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:10:53,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:10:53,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,544 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,561 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 07:10:53,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:10:53,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:10:53,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:10:53,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:10:53,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (1/1) ... [2023-11-29 07:10:53,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:10:53,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:53,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:10:53,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:10:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-29 07:10:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-29 07:10:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 07:10:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 07:10:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-29 07:10:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-29 07:10:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 07:10:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 07:10:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 07:10:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 07:10:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:10:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:10:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:10:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 07:10:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-29 07:10:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-29 07:10:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 07:10:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 07:10:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 07:10:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 07:10:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 07:10:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 07:10:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 07:10:53,809 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:10:53,811 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:10:54,007 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:10:54,039 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:10:54,039 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 07:10:54,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:10:54 BoogieIcfgContainer [2023-11-29 07:10:54,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:10:54,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:10:54,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:10:54,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:10:54,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:10:52" (1/3) ... [2023-11-29 07:10:54,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ae8a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:10:54, skipping insertion in model container [2023-11-29 07:10:54,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:10:53" (2/3) ... [2023-11-29 07:10:54,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ae8a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:10:54, skipping insertion in model container [2023-11-29 07:10:54,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:10:54" (3/3) ... [2023-11-29 07:10:54,047 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_11_good.i [2023-11-29 07:10:54,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:10:54,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 07:10:54,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:10:54,109 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;@7e6075b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:10:54,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 07:10:54,114 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 07:10:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 07:10:54,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:54,120 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 07:10:54,120 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 07:10:54,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:54,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1266092005, now seen corresponding path program 1 times [2023-11-29 07:10:54,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:54,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139791650] [2023-11-29 07:10:54,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:54,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:54,512 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 07:10:54,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:54,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139791650] [2023-11-29 07:10:54,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139791650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:54,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:10:54,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:10:54,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112263353] [2023-11-29 07:10:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:54,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:10:54,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:54,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:10:54,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:10:54,547 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 07:10:54,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:54,617 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2023-11-29 07:10:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:10:54,620 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 07:10:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:54,626 INFO L225 Difference]: With dead ends: 78 [2023-11-29 07:10:54,627 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 07:10:54,629 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 07:10:54,632 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 07:10:54,633 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 07:10:54,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 07:10:54,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 07:10:54,667 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 07:10:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2023-11-29 07:10:54,670 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 19 [2023-11-29 07:10:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:54,672 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2023-11-29 07:10:54,672 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 07:10:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-29 07:10:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 07:10:54,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:54,674 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 07:10:54,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 07:10:54,674 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 07:10:54,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:54,675 INFO L85 PathProgramCache]: Analyzing trace with hash -594146419, now seen corresponding path program 1 times [2023-11-29 07:10:54,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:54,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508513543] [2023-11-29 07:10:54,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:54,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:54,891 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 07:10:54,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:54,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508513543] [2023-11-29 07:10:54,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508513543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:54,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:10:54,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:10:54,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309417521] [2023-11-29 07:10:54,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:54,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:10:54,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:54,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:10:54,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:54,895 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 07:10:54,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:54,975 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions. [2023-11-29 07:10:54,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:10:54,976 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 07:10:54,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:54,977 INFO L225 Difference]: With dead ends: 71 [2023-11-29 07:10:54,977 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 07:10:54,978 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 07:10:54,980 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 07:10:54,980 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 07:10:54,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 07:10:54,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-29 07:10:54,990 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 07:10:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2023-11-29 07:10:54,992 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 20 [2023-11-29 07:10:54,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:54,992 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2023-11-29 07:10:54,993 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 07:10:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-29 07:10:54,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 07:10:54,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:54,994 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 07:10:54,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 07:10:54,995 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 07:10:54,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:54,996 INFO L85 PathProgramCache]: Analyzing trace with hash -546017209, now seen corresponding path program 1 times [2023-11-29 07:10:54,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:54,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235479314] [2023-11-29 07:10:54,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:54,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 07:10:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 07:10:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:10:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,119 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 07:10:55,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:55,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235479314] [2023-11-29 07:10:55,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235479314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:55,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:10:55,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:10:55,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634731404] [2023-11-29 07:10:55,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:55,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:10:55,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:55,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:10:55,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:10:55,123 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 07:10:55,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:55,173 INFO L93 Difference]: Finished difference Result 122 states and 155 transitions. [2023-11-29 07:10:55,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:10:55,173 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 07:10:55,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:55,175 INFO L225 Difference]: With dead ends: 122 [2023-11-29 07:10:55,175 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 07:10:55,176 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 07:10:55,177 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 07:10:55,178 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 07:10:55,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 07:10:55,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-29 07:10:55,187 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 07:10:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2023-11-29 07:10:55,189 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 36 [2023-11-29 07:10:55,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:55,189 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2023-11-29 07:10:55,189 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 07:10:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2023-11-29 07:10:55,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 07:10:55,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:55,191 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 07:10:55,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 07:10:55,192 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 07:10:55,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:55,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1252895481, now seen corresponding path program 1 times [2023-11-29 07:10:55,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:55,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265274164] [2023-11-29 07:10:55,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:55,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:10:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:10:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:10:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,345 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 07:10:55,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:55,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265274164] [2023-11-29 07:10:55,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265274164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:55,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:10:55,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:10:55,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576850778] [2023-11-29 07:10:55,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:55,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:10:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:55,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:10:55,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:10:55,348 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 07:10:55,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:55,387 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2023-11-29 07:10:55,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:10:55,388 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 07:10:55,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:55,389 INFO L225 Difference]: With dead ends: 68 [2023-11-29 07:10:55,389 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 07:10:55,390 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 07:10:55,391 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 07:10:55,392 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 07:10:55,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 07:10:55,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-29 07:10:55,400 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 07:10:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2023-11-29 07:10:55,402 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 37 [2023-11-29 07:10:55,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:55,402 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2023-11-29 07:10:55,403 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 07:10:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-29 07:10:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 07:10:55,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:55,404 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 07:10:55,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 07:10:55,405 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 07:10:55,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:55,406 INFO L85 PathProgramCache]: Analyzing trace with hash 185054349, now seen corresponding path program 1 times [2023-11-29 07:10:55,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:55,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695579737] [2023-11-29 07:10:55,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:55,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:10:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:10:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:10:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,618 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 07:10:55,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:55,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695579737] [2023-11-29 07:10:55,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695579737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:55,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:10:55,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:10:55,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227837929] [2023-11-29 07:10:55,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:55,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:10:55,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:55,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:10:55,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:55,620 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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 07:10:55,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:55,687 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2023-11-29 07:10:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:10:55,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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 07:10:55,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:55,689 INFO L225 Difference]: With dead ends: 67 [2023-11-29 07:10:55,689 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 07:10:55,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 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 07:10:55,691 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 8 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:55,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 270 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:10:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 07:10:55,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-29 07:10:55,698 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 07:10:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2023-11-29 07:10:55,700 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 38 [2023-11-29 07:10:55,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:55,700 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2023-11-29 07:10:55,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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 07:10:55,700 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2023-11-29 07:10:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 07:10:55,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:55,702 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 07:10:55,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 07:10:55,703 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 07:10:55,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:55,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1295340655, now seen corresponding path program 1 times [2023-11-29 07:10:55,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:55,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513595439] [2023-11-29 07:10:55,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:55,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:10:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:10:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:10:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:10:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 07:10:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:55,842 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 07:10:55,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:55,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513595439] [2023-11-29 07:10:55,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513595439] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:10:55,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657749548] [2023-11-29 07:10:55,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:55,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:55,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:55,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:10:55,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 07:10:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 07:10:56,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 07:10:56,051 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:10:56,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657749548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:56,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:10:56,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 07:10:56,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051231451] [2023-11-29 07:10:56,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:56,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:10:56,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:56,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:10:56,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:56,054 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 07:10:56,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:56,077 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2023-11-29 07:10:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:10:56,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-11-29 07:10:56,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:56,079 INFO L225 Difference]: With dead ends: 67 [2023-11-29 07:10:56,079 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 07:10:56,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:56,080 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 6 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:56,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 139 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:10:56,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 07:10:56,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2023-11-29 07:10:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.255813953488372) internal successors, (54), 45 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 07:10:56,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2023-11-29 07:10:56,089 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 47 [2023-11-29 07:10:56,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:56,089 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2023-11-29 07:10:56,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 07:10:56,090 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-11-29 07:10:56,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-29 07:10:56,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:56,091 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, 1] [2023-11-29 07:10:56,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 07:10:56,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 07:10:56,296 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:10:56,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:56,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1500854507, now seen corresponding path program 1 times [2023-11-29 07:10:56,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:56,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911562288] [2023-11-29 07:10:56,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:56,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:10:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:10:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:10:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:10:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 07:10:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,422 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 07:10:56,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:56,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911562288] [2023-11-29 07:10:56,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911562288] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:10:56,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000459202] [2023-11-29 07:10:56,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:56,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:56,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:56,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:10:56,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 07:10:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 07:10:56,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:56,588 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 07:10:56,588 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:10:56,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000459202] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:56,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:10:56,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 07:10:56,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060840339] [2023-11-29 07:10:56,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:56,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:10:56,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:56,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:10:56,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:56,590 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 07:10:56,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:56,616 INFO L93 Difference]: Finished difference Result 74 states and 96 transitions. [2023-11-29 07:10:56,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:10:56,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-11-29 07:10:56,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:56,618 INFO L225 Difference]: With dead ends: 74 [2023-11-29 07:10:56,618 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 07:10:56,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:56,619 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 2 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:56,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 149 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:10:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 07:10:56,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2023-11-29 07:10:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.2553191489361701) 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 07:10:56,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2023-11-29 07:10:56,628 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 48 [2023-11-29 07:10:56,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:56,629 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2023-11-29 07:10:56,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 07:10:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-29 07:10:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-29 07:10:56,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:56,630 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:10:56,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 07:10:56,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 07:10:56,836 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 07:10:56,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:56,836 INFO L85 PathProgramCache]: Analyzing trace with hash 162085984, now seen corresponding path program 1 times [2023-11-29 07:10:56,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:56,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718693412] [2023-11-29 07:10:56,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:56,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:10:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:10:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:10:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:10:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 07:10:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:10:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 07:10:56,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:56,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718693412] [2023-11-29 07:10:56,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718693412] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:10:56,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583679149] [2023-11-29 07:10:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:56,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:56,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:56,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:10:56,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 07:10:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 07:10:57,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 07:10:57,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:10:57,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583679149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:57,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:10:57,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 07:10:57,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843801707] [2023-11-29 07:10:57,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:57,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:10:57,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:57,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:10:57,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:57,140 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 07:10:57,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:57,161 INFO L93 Difference]: Finished difference Result 70 states and 91 transitions. [2023-11-29 07:10:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:10:57,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 07:10:57,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:57,163 INFO L225 Difference]: With dead ends: 70 [2023-11-29 07:10:57,163 INFO L226 Difference]: Without dead ends: 69 [2023-11-29 07:10:57,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:57,164 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:57,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 137 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:10:57,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-29 07:10:57,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 64. [2023-11-29 07:10:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 44 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 07:10:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2023-11-29 07:10:57,172 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 54 [2023-11-29 07:10:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:57,173 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2023-11-29 07:10:57,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 07:10:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2023-11-29 07:10:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-29 07:10:57,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:57,175 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-29 07:10:57,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 07:10:57,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:57,380 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:10:57,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:57,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1415595654, now seen corresponding path program 1 times [2023-11-29 07:10:57,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:57,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115655300] [2023-11-29 07:10:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:57,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:10:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:10:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:10:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:10:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 07:10:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:10:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 07:10:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-29 07:10:57,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:57,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115655300] [2023-11-29 07:10:57,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115655300] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:10:57,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483922143] [2023-11-29 07:10:57,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:57,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:57,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:57,510 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:10:57,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 07:10:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:57,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 07:10:57,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 07:10:57,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:10:57,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483922143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:57,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:10:57,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 07:10:57,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65253345] [2023-11-29 07:10:57,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:57,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:10:57,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:57,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:10:57,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:57,682 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 07:10:57,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:57,705 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2023-11-29 07:10:57,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:10:57,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-11-29 07:10:57,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:57,707 INFO L225 Difference]: With dead ends: 64 [2023-11-29 07:10:57,707 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 07:10:57,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:57,708 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 4 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:57,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 140 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:10:57,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 07:10:57,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-29 07:10:57,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 43 states have internal predecessors, (52), 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 07:10:57,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2023-11-29 07:10:57,715 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 58 [2023-11-29 07:10:57,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:57,715 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2023-11-29 07:10:57,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 07:10:57,716 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-29 07:10:57,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 07:10:57,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:57,717 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-29 07:10:57,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 07:10:57,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:57,923 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:10:57,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:57,924 INFO L85 PathProgramCache]: Analyzing trace with hash 933792471, now seen corresponding path program 1 times [2023-11-29 07:10:57,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:57,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259341212] [2023-11-29 07:10:57,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:57,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:10:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:10:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:10:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:10:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 07:10:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:10:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 07:10:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-29 07:10:58,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:58,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259341212] [2023-11-29 07:10:58,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259341212] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:10:58,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149514047] [2023-11-29 07:10:58,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:58,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:58,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:58,065 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:10:58,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 07:10:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 07:10:58,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 07:10:58,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:10:58,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149514047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:58,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:10:58,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 07:10:58,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686362346] [2023-11-29 07:10:58,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:58,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:10:58,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:58,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:10:58,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:58,236 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 07:10:58,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:58,260 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2023-11-29 07:10:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:10:58,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2023-11-29 07:10:58,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:58,262 INFO L225 Difference]: With dead ends: 69 [2023-11-29 07:10:58,262 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 07:10:58,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:58,263 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:58,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:10:58,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 07:10:58,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-29 07:10:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 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 07:10:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2023-11-29 07:10:58,269 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 81 transitions. Word has length 59 [2023-11-29 07:10:58,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:58,270 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 81 transitions. [2023-11-29 07:10:58,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 07:10:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-11-29 07:10:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 07:10:58,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:58,271 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-29 07:10:58,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 07:10:58,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 07:10:58,478 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:10:58,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:58,478 INFO L85 PathProgramCache]: Analyzing trace with hash 124445845, now seen corresponding path program 1 times [2023-11-29 07:10:58,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:58,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288231623] [2023-11-29 07:10:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:58,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:10:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:10:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:10:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:10:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:10:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:10:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 07:10:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:10:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 07:10:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-29 07:10:58,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:58,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288231623] [2023-11-29 07:10:58,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288231623] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:10:58,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660458742] [2023-11-29 07:10:58,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:58,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:58,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:58,590 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:10:58,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 07:10:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:58,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 07:10:58,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 07:10:58,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:10:58,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660458742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:58,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:10:58,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 07:10:58,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532647069] [2023-11-29 07:10:58,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:58,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:10:58,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:58,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:10:58,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:58,767 INFO L87 Difference]: Start difference. First operand 63 states and 81 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 07:10:58,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:58,783 INFO L93 Difference]: Finished difference Result 63 states and 81 transitions. [2023-11-29 07:10:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:10:58,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2023-11-29 07:10:58,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:58,784 INFO L225 Difference]: With dead ends: 63 [2023-11-29 07:10:58,784 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 07:10:58,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:10:58,785 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:58,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:10:58,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 07:10:58,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 07:10:58,786 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 07:10:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 07:10:58,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2023-11-29 07:10:58,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:58,787 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 07:10:58,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 07:10:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 07:10:58,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 07:10:58,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-29 07:10:58,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-29 07:10:58,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-29 07:10:58,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-29 07:10:58,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-29 07:10:58,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-29 07:10:58,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-29 07:10:58,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-29 07:10:58,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 07:10:58,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 07:10:58,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 07:10:59,057 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-29 07:10:59,057 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 07:10:59,057 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-29 07:10:59,057 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 07:10:59,057 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2023-11-29 07:10:59,057 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2023-11-29 07:10:59,057 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2023-11-29 07:10:59,058 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2023-11-29 07:10:59,058 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-29 07:10:59,058 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-29 07:10:59,058 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-29 07:10:59,058 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2023-11-29 07:10:59,058 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0)) [2023-11-29 07:10:59,058 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 07:10:59,059 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2023-11-29 07:10:59,059 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-29 07:10:59,059 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1621 1624) no Hoare annotation was computed. [2023-11-29 07:10:59,059 INFO L895 garLoopResultBuilder]: At program point L1621-4(lines 1621 1624) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0)) [2023-11-29 07:10:59,059 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2023-11-29 07:10:59,059 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) [2023-11-29 07:10:59,059 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-29 07:10:59,059 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-29 07:10:59,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-29 07:10:59,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1572) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1582 1594) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1582 1594) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 07:10:59,060 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 07:10:59,061 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-29 07:10:59,061 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-29 07:10:59,061 INFO L899 garLoopResultBuilder]: For program point L1558-1(line 1558) no Hoare annotation was computed. [2023-11-29 07:10:59,061 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2023-11-29 07:10:59,061 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 1608 1615) no Hoare annotation was computed. [2023-11-29 07:10:59,061 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-29 07:10:59,061 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-29 07:10:59,061 INFO L899 garLoopResultBuilder]: For program point L1600-2(lines 1600 1607) no Hoare annotation was computed. [2023-11-29 07:10:59,061 INFO L895 garLoopResultBuilder]: At program point L1600-4(lines 1600 1607) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-29 07:10:59,061 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-29 07:10:59,062 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 07:10:59,062 INFO L899 garLoopResultBuilder]: For program point L1625-1(lines 1625 1632) no Hoare annotation was computed. [2023-11-29 07:10:59,062 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2023-11-29 07:10:59,062 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2023-11-29 07:10:59,062 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2023-11-29 07:10:59,062 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-29 07:10:59,062 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 07:10:59,062 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-29 07:10:59,062 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2023-11-29 07:10:59,062 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 07:10:59,063 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-29 07:10:59,063 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2023-11-29 07:10:59,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 07:10:59,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-29 07:10:59,063 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-29 07:10:59,063 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-29 07:10:59,063 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2023-11-29 07:10:59,063 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2023-11-29 07:10:59,063 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2023-11-29 07:10:59,063 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 07:10:59,064 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-29 07:10:59,064 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2023-11-29 07:10:59,064 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1578 1581) no Hoare annotation was computed. [2023-11-29 07:10:59,064 INFO L895 garLoopResultBuilder]: At program point L1578-4(lines 1578 1581) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 07:10:59,064 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 07:10:59,064 INFO L899 garLoopResultBuilder]: For program point L1570-1(line 1570) no Hoare annotation was computed. [2023-11-29 07:10:59,064 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-29 07:10:59,064 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2023-11-29 07:10:59,064 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-29 07:10:59,064 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2023-11-29 07:10:59,065 INFO L899 garLoopResultBuilder]: For program point L1562-2(lines 1556 1572) no Hoare annotation was computed. [2023-11-29 07:10:59,065 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-29 07:10:59,068 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:10:59,070 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:10:59,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:10:59 BoogieIcfgContainer [2023-11-29 07:10:59,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:10:59,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:10:59,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:10:59,075 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:10:59,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:10:54" (3/4) ... [2023-11-29 07:10:59,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 07:10:59,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-29 07:10:59,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-29 07:10:59,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-29 07:10:59,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-29 07:10:59,088 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-29 07:10:59,088 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-29 07:10:59,089 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 07:10:59,089 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 07:10:59,186 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 07:10:59,187 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 07:10:59,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:10:59,187 INFO L158 Benchmark]: Toolchain (without parser) took 6785.31ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 114.3MB in the beginning and 60.5MB in the end (delta: 53.8MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2023-11-29 07:10:59,188 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:10:59,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.25ms. Allocated memory is still 161.5MB. Free memory was 113.8MB in the beginning and 104.5MB in the end (delta: 9.3MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2023-11-29 07:10:59,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.81ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 101.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:10:59,189 INFO L158 Benchmark]: Boogie Preprocessor took 52.29ms. Allocated memory is still 161.5MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 07:10:59,189 INFO L158 Benchmark]: RCFGBuilder took 458.51ms. Allocated memory is still 161.5MB. Free memory was 98.3MB in the beginning and 78.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 07:10:59,189 INFO L158 Benchmark]: TraceAbstraction took 5032.83ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 77.3MB in the beginning and 67.8MB in the end (delta: 9.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-11-29 07:10:59,190 INFO L158 Benchmark]: Witness Printer took 111.97ms. Allocated memory is still 197.1MB. Free memory was 67.8MB in the beginning and 60.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 07:10:59,192 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 113.2MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.25ms. Allocated memory is still 161.5MB. Free memory was 113.8MB in the beginning and 104.5MB in the end (delta: 9.3MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.81ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 101.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.29ms. Allocated memory is still 161.5MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.51ms. Allocated memory is still 161.5MB. Free memory was 98.3MB in the beginning and 78.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5032.83ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 77.3MB in the beginning and 67.8MB in the end (delta: 9.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Witness Printer took 111.97ms. Allocated memory is still 197.1MB. Free memory was 67.8MB in the beginning and 60.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 5.0s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 2068 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1222 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 846 mSDtfsCounter, 279 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 514 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 11 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 47 PreInvPairs, 58 NumberOfFragments, 112 HoareAnnotationTreeSize, 47 FomulaSimplifications, 15 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 800 NumberOfCodeBlocks, 800 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 1017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1665 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 294/306 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 07:10:59,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc24eb7-6b1f-4a5f-8b70-54a6f51e27b4/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