./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tee-1.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_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/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_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tee-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/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_91acea98-d01c-499b-bf06-e085d2434e8a/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 03b53479a229860326bd9a16bcf220f48f51b37308f964b035d484d603486daf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:05:47,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:05:47,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 00:05:47,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:05:47,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:05:47,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:05:47,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:05:47,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:05:47,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:05:47,973 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:05:47,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:05:47,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:05:47,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:05:47,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:05:47,976 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:05:47,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:05:47,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:05:47,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:05:47,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:05:47,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:05:47,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:05:47,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:05:47,981 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 00:05:47,981 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:05:47,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:05:47,982 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:05:47,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:05:47,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:05:47,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:05:47,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:05:47,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:05:47,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:05:47,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:05:47,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:05:47,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:05:47,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:05:47,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:05:48,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:05:48,000 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:05:48,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:05:48,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:05:48,001 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_91acea98-d01c-499b-bf06-e085d2434e8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b53479a229860326bd9a16bcf220f48f51b37308f964b035d484d603486daf [2023-11-29 00:05:48,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:05:48,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:05:48,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:05:48,290 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:05:48,290 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:05:48,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/tee-1.i [2023-11-29 00:05:50,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:05:51,313 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:05:51,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/sv-benchmarks/c/busybox-1.22.0/tee-1.i [2023-11-29 00:05:51,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/data/0c481b953/97b6479aeae442c8a51458c1e8c05dfa/FLAGeaf9ddd7d [2023-11-29 00:05:51,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/data/0c481b953/97b6479aeae442c8a51458c1e8c05dfa [2023-11-29 00:05:51,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:05:51,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:05:51,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:05:51,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:05:51,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:05:51,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:05:51" (1/1) ... [2023-11-29 00:05:51,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6f503f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:51, skipping insertion in model container [2023-11-29 00:05:51,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:05:51" (1/1) ... [2023-11-29 00:05:51,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:05:52,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:05:52,547 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:05:52,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:05:52,880 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:05:52,880 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:05:52,881 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:05:52,881 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:05:52,881 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:05:52,881 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:05:52,881 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:05:52,887 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:05:52,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52 WrapperNode [2023-11-29 00:05:52,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:05:52,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:05:52,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:05:52,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:05:52,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:52,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,006 INFO L138 Inliner]: procedures = 575, calls = 420, calls flagged for inlining = 28, calls inlined = 26, statements flattened = 1763 [2023-11-29 00:05:53,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:05:53,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:05:53,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:05:53,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:05:53,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,028 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,040 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-29 00:05:53,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:05:53,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:05:53,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:05:53,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:05:53,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (1/1) ... [2023-11-29 00:05:53,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:05:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:05:53,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:05:53,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:05:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 00:05:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:05:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-29 00:05:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-29 00:05:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-29 00:05:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-29 00:05:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 00:05:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 00:05:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-29 00:05:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:05:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 00:05:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 00:05:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:05:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 00:05:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:05:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:05:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-29 00:05:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-29 00:05:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 00:05:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 00:05:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-29 00:05:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-29 00:05:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-29 00:05:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-29 00:05:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-29 00:05:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:05:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:05:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:05:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-29 00:05:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-29 00:05:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-29 00:05:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:05:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 00:05:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 00:05:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 00:05:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-29 00:05:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:05:53,673 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:05:53,675 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:05:55,125 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:05:55,195 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:05:55,195 INFO L309 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-29 00:05:55,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:05:55 BoogieIcfgContainer [2023-11-29 00:05:55,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:05:55,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:05:55,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:05:55,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:05:55,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:05:51" (1/3) ... [2023-11-29 00:05:55,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1889a14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:05:55, skipping insertion in model container [2023-11-29 00:05:55,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:05:52" (2/3) ... [2023-11-29 00:05:55,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1889a14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:05:55, skipping insertion in model container [2023-11-29 00:05:55,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:05:55" (3/3) ... [2023-11-29 00:05:55,204 INFO L112 eAbstractionObserver]: Analyzing ICFG tee-1.i [2023-11-29 00:05:55,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:05:55,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2023-11-29 00:05:55,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:05:55,291 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;@5ab2f3c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:05:55,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2023-11-29 00:05:55,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 496 states, 391 states have (on average 1.751918158567775) internal successors, (685), 463 states have internal predecessors, (685), 25 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:05:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 00:05:55,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:55,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 00:05:55,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:05:55,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:55,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1663322, now seen corresponding path program 1 times [2023-11-29 00:05:55,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:05:55,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904301030] [2023-11-29 00:05:55,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:55,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:05:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:55,691 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 00:05:55,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:05:55,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904301030] [2023-11-29 00:05:55,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904301030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:05:55,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:05:55,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 00:05:55,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225286476] [2023-11-29 00:05:55,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:05:55,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:05:55,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:05:55,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:05:55,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:05:55,729 INFO L87 Difference]: Start difference. First operand has 496 states, 391 states have (on average 1.751918158567775) internal successors, (685), 463 states have internal predecessors, (685), 25 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 00:05:55,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:55,912 INFO L93 Difference]: Finished difference Result 985 states and 1481 transitions. [2023-11-29 00:05:55,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:05:55,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-29 00:05:55,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:55,929 INFO L225 Difference]: With dead ends: 985 [2023-11-29 00:05:55,929 INFO L226 Difference]: Without dead ends: 490 [2023-11-29 00:05:55,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:05:55,940 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 1 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:55,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1298 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:05:55,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2023-11-29 00:05:56,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2023-11-29 00:05:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 387 states have (on average 1.6537467700258397) internal successors, (640), 463 states have internal predecessors, (640), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:05:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 684 transitions. [2023-11-29 00:05:56,011 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 684 transitions. Word has length 3 [2023-11-29 00:05:56,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:56,011 INFO L495 AbstractCegarLoop]: Abstraction has 490 states and 684 transitions. [2023-11-29 00:05:56,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 00:05:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 684 transitions. [2023-11-29 00:05:56,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 00:05:56,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:56,012 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 00:05:56,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:05:56,013 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:05:56,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:56,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1987224527, now seen corresponding path program 1 times [2023-11-29 00:05:56,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:05:56,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56906854] [2023-11-29 00:05:56,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:56,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:05:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:05:56,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:05:56,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56906854] [2023-11-29 00:05:56,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56906854] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:05:56,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829333652] [2023-11-29 00:05:56,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:56,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:05:56,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:05:56,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:05:56,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:05:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:56,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:05:56,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:05:56,510 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:05:56,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829333652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:05:56,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:05:56,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-11-29 00:05:56,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39695603] [2023-11-29 00:05:56,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:05:56,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:05:56,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:05:56,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:05:56,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:05:56,514 INFO L87 Difference]: Start difference. First operand 490 states and 684 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:05:56,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:56,676 INFO L93 Difference]: Finished difference Result 490 states and 684 transitions. [2023-11-29 00:05:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:05:56,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 00:05:56,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:56,681 INFO L225 Difference]: With dead ends: 490 [2023-11-29 00:05:56,681 INFO L226 Difference]: Without dead ends: 489 [2023-11-29 00:05:56,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:05:56,683 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 3 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:56,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1936 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:05:56,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2023-11-29 00:05:56,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2023-11-29 00:05:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 387 states have (on average 1.6511627906976745) internal successors, (639), 462 states have internal predecessors, (639), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:05:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 683 transitions. [2023-11-29 00:05:56,712 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 683 transitions. Word has length 6 [2023-11-29 00:05:56,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:56,712 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 683 transitions. [2023-11-29 00:05:56,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:05:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 683 transitions. [2023-11-29 00:05:56,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 00:05:56,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:56,713 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2023-11-29 00:05:56,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:05:56,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-29 00:05:56,916 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:05:56,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:56,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1474417833, now seen corresponding path program 1 times [2023-11-29 00:05:56,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:05:56,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687603338] [2023-11-29 00:05:56,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:56,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:05:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 00:05:57,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:05:57,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687603338] [2023-11-29 00:05:57,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687603338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:05:57,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:05:57,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:05:57,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449461701] [2023-11-29 00:05:57,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:05:57,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:05:57,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:05:57,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:05:57,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:05:57,029 INFO L87 Difference]: Start difference. First operand 489 states and 683 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:05:57,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:57,136 INFO L93 Difference]: Finished difference Result 489 states and 683 transitions. [2023-11-29 00:05:57,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:05:57,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 00:05:57,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:57,140 INFO L225 Difference]: With dead ends: 489 [2023-11-29 00:05:57,140 INFO L226 Difference]: Without dead ends: 488 [2023-11-29 00:05:57,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:05:57,142 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 0 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:57,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1292 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:05:57,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2023-11-29 00:05:57,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 486. [2023-11-29 00:05:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 385 states have (on average 1.651948051948052) internal successors, (636), 459 states have internal predecessors, (636), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:05:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 680 transitions. [2023-11-29 00:05:57,162 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 680 transitions. Word has length 7 [2023-11-29 00:05:57,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:57,163 INFO L495 AbstractCegarLoop]: Abstraction has 486 states and 680 transitions. [2023-11-29 00:05:57,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:05:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 680 transitions. [2023-11-29 00:05:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 00:05:57,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:57,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:05:57,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:05:57,164 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:05:57,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:57,165 INFO L85 PathProgramCache]: Analyzing trace with hash -700975596, now seen corresponding path program 1 times [2023-11-29 00:05:57,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:05:57,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529157423] [2023-11-29 00:05:57,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:57,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:05:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:05:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:05:57,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:05:57,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529157423] [2023-11-29 00:05:57,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529157423] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:05:57,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152344154] [2023-11-29 00:05:57,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:57,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:05:57,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:05:57,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:05:57,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:05:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:57,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:05:57,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 00:05:57,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:05:57,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152344154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:05:57,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:05:57,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 00:05:57,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788612533] [2023-11-29 00:05:57,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:05:57,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:05:57,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:05:57,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:05:57,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:05:57,587 INFO L87 Difference]: Start difference. First operand 486 states and 680 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:05:57,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:57,722 INFO L93 Difference]: Finished difference Result 486 states and 680 transitions. [2023-11-29 00:05:57,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:05:57,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-29 00:05:57,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:57,726 INFO L225 Difference]: With dead ends: 486 [2023-11-29 00:05:57,726 INFO L226 Difference]: Without dead ends: 484 [2023-11-29 00:05:57,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:05:57,728 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 480 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:57,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 812 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:05:57,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2023-11-29 00:05:57,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2023-11-29 00:05:57,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 385 states have (on average 1.6467532467532469) internal successors, (634), 457 states have internal predecessors, (634), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:05:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 678 transitions. [2023-11-29 00:05:57,750 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 678 transitions. Word has length 12 [2023-11-29 00:05:57,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:57,752 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 678 transitions. [2023-11-29 00:05:57,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:05:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 678 transitions. [2023-11-29 00:05:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 00:05:57,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:57,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:05:57,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:05:57,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:05:57,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:05:57,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:57,957 INFO L85 PathProgramCache]: Analyzing trace with hash -255406627, now seen corresponding path program 1 times [2023-11-29 00:05:57,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:05:57,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405374599] [2023-11-29 00:05:57,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:57,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:05:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:05:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:05:58,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:05:58,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405374599] [2023-11-29 00:05:58,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405374599] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:05:58,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666850390] [2023-11-29 00:05:58,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:58,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:05:58,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:05:58,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:05:58,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:05:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:58,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:05:58,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:05:58,360 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:05:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:05:58,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666850390] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:05:58,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:05:58,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2023-11-29 00:05:58,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950958502] [2023-11-29 00:05:58,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:05:58,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:05:58,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:05:58,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:05:58,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:05:58,388 INFO L87 Difference]: Start difference. First operand 484 states and 678 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:05:58,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:58,550 INFO L93 Difference]: Finished difference Result 972 states and 1362 transitions. [2023-11-29 00:05:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:05:58,550 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2023-11-29 00:05:58,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:58,553 INFO L225 Difference]: With dead ends: 972 [2023-11-29 00:05:58,553 INFO L226 Difference]: Without dead ends: 493 [2023-11-29 00:05:58,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:05:58,556 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 4 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:58,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1931 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:05:58,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2023-11-29 00:05:58,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2023-11-29 00:05:58,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 394 states have (on average 1.631979695431472) internal successors, (643), 466 states have internal predecessors, (643), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:05:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 687 transitions. [2023-11-29 00:05:58,574 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 687 transitions. Word has length 13 [2023-11-29 00:05:58,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:58,574 INFO L495 AbstractCegarLoop]: Abstraction has 493 states and 687 transitions. [2023-11-29 00:05:58,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:05:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 687 transitions. [2023-11-29 00:05:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 00:05:58,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:58,575 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:05:58,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:05:58,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:05:58,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:05:58,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:58,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1080266924, now seen corresponding path program 2 times [2023-11-29 00:05:58,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:05:58,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028875383] [2023-11-29 00:05:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:58,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:05:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:05:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:05:59,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:05:59,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028875383] [2023-11-29 00:05:59,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028875383] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:05:59,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636434184] [2023-11-29 00:05:59,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:05:59,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:05:59,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:05:59,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:05:59,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:05:59,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 00:05:59,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:05:59,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:05:59,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 00:05:59,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:05:59,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636434184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:05:59,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:05:59,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-29 00:05:59,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341594525] [2023-11-29 00:05:59,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:05:59,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:05:59,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:05:59,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:05:59,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:05:59,393 INFO L87 Difference]: Start difference. First operand 493 states and 687 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:05:59,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:59,651 INFO L93 Difference]: Finished difference Result 493 states and 687 transitions. [2023-11-29 00:05:59,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:05:59,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-29 00:05:59,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:59,655 INFO L225 Difference]: With dead ends: 493 [2023-11-29 00:05:59,655 INFO L226 Difference]: Without dead ends: 491 [2023-11-29 00:05:59,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:05:59,656 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 479 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:59,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 2048 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:05:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2023-11-29 00:05:59,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2023-11-29 00:05:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 394 states have (on average 1.6269035532994924) internal successors, (641), 464 states have internal predecessors, (641), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:05:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 685 transitions. [2023-11-29 00:05:59,680 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 685 transitions. Word has length 22 [2023-11-29 00:05:59,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:59,680 INFO L495 AbstractCegarLoop]: Abstraction has 491 states and 685 transitions. [2023-11-29 00:05:59,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:05:59,680 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 685 transitions. [2023-11-29 00:05:59,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 00:05:59,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:59,681 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:05:59,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 00:05:59,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:05:59,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:05:59,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:59,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1337759126, now seen corresponding path program 1 times [2023-11-29 00:05:59,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:05:59,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942678898] [2023-11-29 00:05:59,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:59,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:05:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:06:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 00:06:00,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:00,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942678898] [2023-11-29 00:06:00,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942678898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:00,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:00,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:06:00,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360523856] [2023-11-29 00:06:00,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:00,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:06:00,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:00,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:06:00,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:00,068 INFO L87 Difference]: Start difference. First operand 491 states and 685 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:00,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:00,227 INFO L93 Difference]: Finished difference Result 965 states and 1354 transitions. [2023-11-29 00:06:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:06:00,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-29 00:06:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:00,231 INFO L225 Difference]: With dead ends: 965 [2023-11-29 00:06:00,231 INFO L226 Difference]: Without dead ends: 494 [2023-11-29 00:06:00,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:00,233 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1281 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:00,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1281 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:06:00,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2023-11-29 00:06:00,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2023-11-29 00:06:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 397 states have (on average 1.6221662468513853) internal successors, (644), 467 states have internal predecessors, (644), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:06:00,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 688 transitions. [2023-11-29 00:06:00,256 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 688 transitions. Word has length 27 [2023-11-29 00:06:00,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:00,257 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 688 transitions. [2023-11-29 00:06:00,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 688 transitions. [2023-11-29 00:06:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 00:06:00,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:00,258 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:00,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:06:00,258 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:00,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:00,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1392577812, now seen corresponding path program 1 times [2023-11-29 00:06:00,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:00,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584112568] [2023-11-29 00:06:00,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:00,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:06:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 00:06:00,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:00,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584112568] [2023-11-29 00:06:00,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584112568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:00,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:00,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:06:00,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437078284] [2023-11-29 00:06:00,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:00,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:06:00,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:00,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:06:00,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:00,445 INFO L87 Difference]: Start difference. First operand 494 states and 688 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:00,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:00,603 INFO L93 Difference]: Finished difference Result 765 states and 1096 transitions. [2023-11-29 00:06:00,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:06:00,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-29 00:06:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:00,608 INFO L225 Difference]: With dead ends: 765 [2023-11-29 00:06:00,608 INFO L226 Difference]: Without dead ends: 763 [2023-11-29 00:06:00,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:00,610 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 386 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:00,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1268 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:06:00,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2023-11-29 00:06:00,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 498. [2023-11-29 00:06:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 401 states have (on average 1.6184538653366582) internal successors, (649), 471 states have internal predecessors, (649), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:06:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 693 transitions. [2023-11-29 00:06:00,637 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 693 transitions. Word has length 29 [2023-11-29 00:06:00,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:00,637 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 693 transitions. [2023-11-29 00:06:00,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 693 transitions. [2023-11-29 00:06:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-29 00:06:00,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:00,638 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:00,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:06:00,639 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:00,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:00,639 INFO L85 PathProgramCache]: Analyzing trace with hash -180191997, now seen corresponding path program 1 times [2023-11-29 00:06:00,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:00,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684368420] [2023-11-29 00:06:00,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:00,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:06:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 00:06:00,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:00,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684368420] [2023-11-29 00:06:00,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684368420] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:00,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026077327] [2023-11-29 00:06:00,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:00,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:00,834 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:00,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:06:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:01,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:06:01,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 00:06:01,225 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:06:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 00:06:01,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026077327] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:06:01,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:06:01,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2023-11-29 00:06:01,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621717492] [2023-11-29 00:06:01,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:06:01,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:06:01,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:01,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:06:01,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:06:01,321 INFO L87 Difference]: Start difference. First operand 498 states and 693 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:06:01,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:01,629 INFO L93 Difference]: Finished difference Result 999 states and 1395 transitions. [2023-11-29 00:06:01,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 00:06:01,630 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2023-11-29 00:06:01,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:01,633 INFO L225 Difference]: With dead ends: 999 [2023-11-29 00:06:01,633 INFO L226 Difference]: Without dead ends: 515 [2023-11-29 00:06:01,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:06:01,635 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 7 mSDsluCounter, 3175 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:01,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3812 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:06:01,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2023-11-29 00:06:01,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2023-11-29 00:06:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 419 states have (on average 1.5894988066825775) internal successors, (666), 488 states have internal predecessors, (666), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:06:01,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 710 transitions. [2023-11-29 00:06:01,659 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 710 transitions. Word has length 30 [2023-11-29 00:06:01,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:01,659 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 710 transitions. [2023-11-29 00:06:01,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:06:01,659 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 710 transitions. [2023-11-29 00:06:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 00:06:01,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:01,661 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:01,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:06:01,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:01,867 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:01,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:01,868 INFO L85 PathProgramCache]: Analyzing trace with hash 321395718, now seen corresponding path program 1 times [2023-11-29 00:06:01,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:01,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925897615] [2023-11-29 00:06:01,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:01,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 00:06:02,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:02,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925897615] [2023-11-29 00:06:02,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925897615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:02,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:02,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:06:02,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686571539] [2023-11-29 00:06:02,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:02,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:06:02,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:02,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:06:02,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:02,024 INFO L87 Difference]: Start difference. First operand 515 states and 710 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:02,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:02,143 INFO L93 Difference]: Finished difference Result 529 states and 726 transitions. [2023-11-29 00:06:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:06:02,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-29 00:06:02,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:02,147 INFO L225 Difference]: With dead ends: 529 [2023-11-29 00:06:02,147 INFO L226 Difference]: Without dead ends: 527 [2023-11-29 00:06:02,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:02,148 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 3 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:02,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1276 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:06:02,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-11-29 00:06:02,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 525. [2023-11-29 00:06:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 429 states have (on average 1.5827505827505828) internal successors, (679), 498 states have internal predecessors, (679), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:06:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 723 transitions. [2023-11-29 00:06:02,167 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 723 transitions. Word has length 49 [2023-11-29 00:06:02,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:02,168 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 723 transitions. [2023-11-29 00:06:02,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:02,168 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 723 transitions. [2023-11-29 00:06:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 00:06:02,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:02,170 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:02,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:06:02,170 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:02,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:02,170 INFO L85 PathProgramCache]: Analyzing trace with hash 321397447, now seen corresponding path program 1 times [2023-11-29 00:06:02,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:02,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304826584] [2023-11-29 00:06:02,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:02,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 00:06:02,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:02,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304826584] [2023-11-29 00:06:02,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304826584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:02,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:02,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:06:02,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961428347] [2023-11-29 00:06:02,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:02,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:06:02,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:02,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:06:02,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:02,340 INFO L87 Difference]: Start difference. First operand 525 states and 723 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:02,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:02,456 INFO L93 Difference]: Finished difference Result 525 states and 723 transitions. [2023-11-29 00:06:02,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:06:02,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-29 00:06:02,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:02,460 INFO L225 Difference]: With dead ends: 525 [2023-11-29 00:06:02,460 INFO L226 Difference]: Without dead ends: 524 [2023-11-29 00:06:02,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:02,461 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 0 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:02,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1279 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:06:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2023-11-29 00:06:02,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 520. [2023-11-29 00:06:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 425 states have (on average 1.5835294117647059) internal successors, (673), 493 states have internal predecessors, (673), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:06:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 717 transitions. [2023-11-29 00:06:02,484 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 717 transitions. Word has length 49 [2023-11-29 00:06:02,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:02,484 INFO L495 AbstractCegarLoop]: Abstraction has 520 states and 717 transitions. [2023-11-29 00:06:02,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 717 transitions. [2023-11-29 00:06:02,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 00:06:02,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:02,485 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:02,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:06:02,486 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:02,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:02,486 INFO L85 PathProgramCache]: Analyzing trace with hash 592199141, now seen corresponding path program 1 times [2023-11-29 00:06:02,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:02,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234121626] [2023-11-29 00:06:02,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:02,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 00:06:02,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:02,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234121626] [2023-11-29 00:06:02,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234121626] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:02,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409315323] [2023-11-29 00:06:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:02,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:02,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:02,689 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:02,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:06:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:03,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:06:03,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 00:06:03,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:06:03,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409315323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:03,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:06:03,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-29 00:06:03,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590506308] [2023-11-29 00:06:03,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:03,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:06:03,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:03,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:06:03,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:06:03,080 INFO L87 Difference]: Start difference. First operand 520 states and 717 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:03,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:03,261 INFO L93 Difference]: Finished difference Result 788 states and 1122 transitions. [2023-11-29 00:06:03,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:06:03,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2023-11-29 00:06:03,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:03,266 INFO L225 Difference]: With dead ends: 788 [2023-11-29 00:06:03,266 INFO L226 Difference]: Without dead ends: 787 [2023-11-29 00:06:03,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:06:03,268 INFO L413 NwaCegarLoop]: 1021 mSDtfsCounter, 773 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 1654 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:03,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 1654 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:06:03,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2023-11-29 00:06:03,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 519. [2023-11-29 00:06:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 425 states have (on average 1.5811764705882352) internal successors, (672), 492 states have internal predecessors, (672), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:06:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 716 transitions. [2023-11-29 00:06:03,288 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 716 transitions. Word has length 51 [2023-11-29 00:06:03,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:03,288 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 716 transitions. [2023-11-29 00:06:03,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:03,289 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 716 transitions. [2023-11-29 00:06:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 00:06:03,289 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:03,290 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:03,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 00:06:03,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 00:06:03,492 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:03,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:03,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1178304608, now seen corresponding path program 1 times [2023-11-29 00:06:03,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:03,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368591641] [2023-11-29 00:06:03,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:03,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 00:06:03,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:03,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368591641] [2023-11-29 00:06:03,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368591641] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:03,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943216175] [2023-11-29 00:06:03,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:03,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:03,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:03,707 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:03,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:06:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:04,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:06:04,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 00:06:04,047 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:06:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 00:06:04,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943216175] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:06:04,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:06:04,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 00:06:04,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137171802] [2023-11-29 00:06:04,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:06:04,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:06:04,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:04,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:06:04,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:04,076 INFO L87 Difference]: Start difference. First operand 519 states and 716 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:04,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:04,482 INFO L93 Difference]: Finished difference Result 1592 states and 2338 transitions. [2023-11-29 00:06:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:06:04,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2023-11-29 00:06:04,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:04,492 INFO L225 Difference]: With dead ends: 1592 [2023-11-29 00:06:04,492 INFO L226 Difference]: Without dead ends: 1591 [2023-11-29 00:06:04,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:04,494 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 1924 mSDsluCounter, 3615 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 4252 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:04,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1948 Valid, 4252 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:06:04,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2023-11-29 00:06:04,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 531. [2023-11-29 00:06:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 437 states have (on average 1.5720823798627002) internal successors, (687), 504 states have internal predecessors, (687), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:06:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 731 transitions. [2023-11-29 00:06:04,531 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 731 transitions. Word has length 52 [2023-11-29 00:06:04,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:04,531 INFO L495 AbstractCegarLoop]: Abstraction has 531 states and 731 transitions. [2023-11-29 00:06:04,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 731 transitions. [2023-11-29 00:06:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 00:06:04,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:04,533 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:04,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 00:06:04,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 00:06:04,740 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:04,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:04,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1361094831, now seen corresponding path program 1 times [2023-11-29 00:06:04,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:04,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350909877] [2023-11-29 00:06:04,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:04,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 00:06:04,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:04,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350909877] [2023-11-29 00:06:04,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350909877] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:04,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280774654] [2023-11-29 00:06:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:04,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:04,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:04,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:04,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 00:06:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:05,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:06:05,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:05,340 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 00:06:05,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:06:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 00:06:05,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280774654] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:06:05,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:06:05,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-29 00:06:05,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968288493] [2023-11-29 00:06:05,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:06:05,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:06:05,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:05,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:06:05,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:05,364 INFO L87 Difference]: Start difference. First operand 531 states and 731 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:05,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:05,542 INFO L93 Difference]: Finished difference Result 1037 states and 1439 transitions. [2023-11-29 00:06:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:06:05,543 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2023-11-29 00:06:05,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:05,546 INFO L225 Difference]: With dead ends: 1037 [2023-11-29 00:06:05,546 INFO L226 Difference]: Without dead ends: 549 [2023-11-29 00:06:05,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:05,547 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 4 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:05,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2551 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:06:05,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2023-11-29 00:06:05,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2023-11-29 00:06:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 455 states have (on average 1.5494505494505495) internal successors, (705), 522 states have internal predecessors, (705), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:06:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 749 transitions. [2023-11-29 00:06:05,567 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 749 transitions. Word has length 57 [2023-11-29 00:06:05,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:05,567 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 749 transitions. [2023-11-29 00:06:05,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 749 transitions. [2023-11-29 00:06:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 00:06:05,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:05,568 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 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 00:06:05,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 00:06:05,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 00:06:05,771 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:05,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:05,772 INFO L85 PathProgramCache]: Analyzing trace with hash -2012994269, now seen corresponding path program 1 times [2023-11-29 00:06:05,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:05,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199919367] [2023-11-29 00:06:05,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:05,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 00:06:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 00:06:05,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:05,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199919367] [2023-11-29 00:06:05,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199919367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:05,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:05,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:05,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448205022] [2023-11-29 00:06:05,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:05,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:06:05,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:05,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:06:05,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:06:05,980 INFO L87 Difference]: Start difference. First operand 549 states and 749 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:06:06,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:06,563 INFO L93 Difference]: Finished difference Result 1124 states and 1566 transitions. [2023-11-29 00:06:06,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:06:06,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2023-11-29 00:06:06,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:06,570 INFO L225 Difference]: With dead ends: 1124 [2023-11-29 00:06:06,570 INFO L226 Difference]: Without dead ends: 678 [2023-11-29 00:06:06,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 00:06:06,572 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 179 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:06,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1664 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:06:06,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-11-29 00:06:06,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 589. [2023-11-29 00:06:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 494 states have (on average 1.5364372469635628) internal successors, (759), 561 states have internal predecessors, (759), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:06,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 805 transitions. [2023-11-29 00:06:06,605 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 805 transitions. Word has length 60 [2023-11-29 00:06:06,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:06,605 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 805 transitions. [2023-11-29 00:06:06,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:06:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 805 transitions. [2023-11-29 00:06:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 00:06:06,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:06,606 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:06,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:06:06,606 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:06,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:06,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1752194456, now seen corresponding path program 1 times [2023-11-29 00:06:06,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:06,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005043539] [2023-11-29 00:06:06,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:06,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:06,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 00:06:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 00:06:06,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:06,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005043539] [2023-11-29 00:06:06,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005043539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:06,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:06,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:06,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856834629] [2023-11-29 00:06:06,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:06,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:06:06,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:06,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:06:06,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:06:06,790 INFO L87 Difference]: Start difference. First operand 589 states and 805 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:07,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:07,325 INFO L93 Difference]: Finished difference Result 625 states and 848 transitions. [2023-11-29 00:06:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:06:07,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2023-11-29 00:06:07,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:07,330 INFO L225 Difference]: With dead ends: 625 [2023-11-29 00:06:07,330 INFO L226 Difference]: Without dead ends: 623 [2023-11-29 00:06:07,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 00:06:07,331 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 59 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:07,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1691 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:06:07,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2023-11-29 00:06:07,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 589. [2023-11-29 00:06:07,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 494 states have (on average 1.5323886639676114) internal successors, (757), 561 states have internal predecessors, (757), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 803 transitions. [2023-11-29 00:06:07,370 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 803 transitions. Word has length 62 [2023-11-29 00:06:07,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:07,370 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 803 transitions. [2023-11-29 00:06:07,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:07,371 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 803 transitions. [2023-11-29 00:06:07,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 00:06:07,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:07,372 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:07,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 00:06:07,372 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:07,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:07,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1346585973, now seen corresponding path program 2 times [2023-11-29 00:06:07,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:07,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429874747] [2023-11-29 00:06:07,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:07,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:07,691 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 00:06:07,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:07,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429874747] [2023-11-29 00:06:07,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429874747] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:07,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24670131] [2023-11-29 00:06:07,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:06:07,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:07,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:07,693 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:07,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 00:06:08,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 00:06:08,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:06:08,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:06:08,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 00:06:08,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:06:08,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24670131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:08,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:06:08,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-29 00:06:08,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096311104] [2023-11-29 00:06:08,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:08,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:06:08,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:08,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:06:08,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:06:08,149 INFO L87 Difference]: Start difference. First operand 589 states and 803 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:08,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:08,435 INFO L93 Difference]: Finished difference Result 1104 states and 1526 transitions. [2023-11-29 00:06:08,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:06:08,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2023-11-29 00:06:08,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:08,439 INFO L225 Difference]: With dead ends: 1104 [2023-11-29 00:06:08,439 INFO L226 Difference]: Without dead ends: 589 [2023-11-29 00:06:08,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:06:08,441 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 488 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:08,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 2474 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:06:08,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2023-11-29 00:06:08,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 589. [2023-11-29 00:06:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 494 states have (on average 1.5303643724696356) internal successors, (756), 561 states have internal predecessors, (756), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 802 transitions. [2023-11-29 00:06:08,470 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 802 transitions. Word has length 64 [2023-11-29 00:06:08,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:08,471 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 802 transitions. [2023-11-29 00:06:08,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:08,471 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 802 transitions. [2023-11-29 00:06:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 00:06:08,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:08,472 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:08,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 00:06:08,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:08,675 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:08,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:08,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1876283747, now seen corresponding path program 2 times [2023-11-29 00:06:08,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:08,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534610885] [2023-11-29 00:06:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:08,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-29 00:06:08,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:08,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534610885] [2023-11-29 00:06:08,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534610885] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:08,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524034847] [2023-11-29 00:06:08,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:06:08,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:08,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:08,995 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:09,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 00:06:09,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:06:09,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:06:09,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:06:09,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 00:06:09,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:06:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 00:06:09,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524034847] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:06:09,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:06:09,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-29 00:06:09,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248887352] [2023-11-29 00:06:09,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:06:09,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:06:09,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:09,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:06:09,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:06:09,697 INFO L87 Difference]: Start difference. First operand 589 states and 802 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:10,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:10,223 INFO L93 Difference]: Finished difference Result 1161 states and 1597 transitions. [2023-11-29 00:06:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 00:06:10,223 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2023-11-29 00:06:10,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:10,226 INFO L225 Difference]: With dead ends: 1161 [2023-11-29 00:06:10,226 INFO L226 Difference]: Without dead ends: 624 [2023-11-29 00:06:10,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 00:06:10,228 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 11 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4428 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:10,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4428 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:06:10,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2023-11-29 00:06:10,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2023-11-29 00:06:10,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 530 states have (on average 1.4924528301886792) internal successors, (791), 596 states have internal predecessors, (791), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 837 transitions. [2023-11-29 00:06:10,250 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 837 transitions. Word has length 75 [2023-11-29 00:06:10,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:10,251 INFO L495 AbstractCegarLoop]: Abstraction has 624 states and 837 transitions. [2023-11-29 00:06:10,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:10,251 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 837 transitions. [2023-11-29 00:06:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 00:06:10,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:10,252 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:10,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 00:06:10,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 00:06:10,453 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:10,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:10,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1336904883, now seen corresponding path program 1 times [2023-11-29 00:06:10,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:10,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21413725] [2023-11-29 00:06:10,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:10,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:10,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:10,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21413725] [2023-11-29 00:06:10,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21413725] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:10,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515676696] [2023-11-29 00:06:10,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:10,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:10,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:10,747 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:10,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 00:06:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:11,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:06:11,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:11,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:06:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:11,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515676696] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:06:11,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:06:11,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-29 00:06:11,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415163469] [2023-11-29 00:06:11,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:06:11,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:06:11,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:11,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:06:11,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:06:11,394 INFO L87 Difference]: Start difference. First operand 624 states and 837 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:12,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:12,156 INFO L93 Difference]: Finished difference Result 3699 states and 5423 transitions. [2023-11-29 00:06:12,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:06:12,156 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 99 [2023-11-29 00:06:12,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:12,177 INFO L225 Difference]: With dead ends: 3699 [2023-11-29 00:06:12,177 INFO L226 Difference]: Without dead ends: 3698 [2023-11-29 00:06:12,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:06:12,179 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 6713 mSDsluCounter, 5801 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6773 SdHoareTripleChecker+Valid, 6435 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:12,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6773 Valid, 6435 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:06:12,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3698 states. [2023-11-29 00:06:12,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3698 to 648. [2023-11-29 00:06:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 554 states have (on average 1.4819494584837545) internal successors, (821), 620 states have internal predecessors, (821), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 867 transitions. [2023-11-29 00:06:12,241 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 867 transitions. Word has length 99 [2023-11-29 00:06:12,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:12,241 INFO L495 AbstractCegarLoop]: Abstraction has 648 states and 867 transitions. [2023-11-29 00:06:12,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:06:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 867 transitions. [2023-11-29 00:06:12,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 00:06:12,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:12,242 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:12,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-29 00:06:12,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:12,443 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:12,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:12,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1509643374, now seen corresponding path program 1 times [2023-11-29 00:06:12,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:12,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113572067] [2023-11-29 00:06:12,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:12,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:13,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 00:06:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:13,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:13,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113572067] [2023-11-29 00:06:13,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113572067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:13,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:13,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:06:13,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569517276] [2023-11-29 00:06:13,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:13,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:06:13,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:13,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:06:13,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:06:13,150 INFO L87 Difference]: Start difference. First operand 648 states and 867 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:13,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:13,853 INFO L93 Difference]: Finished difference Result 1271 states and 1779 transitions. [2023-11-29 00:06:13,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:06:13,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2023-11-29 00:06:13,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:13,860 INFO L225 Difference]: With dead ends: 1271 [2023-11-29 00:06:13,860 INFO L226 Difference]: Without dead ends: 877 [2023-11-29 00:06:13,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:13,862 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 1271 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:13,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 1666 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 00:06:13,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2023-11-29 00:06:13,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 650. [2023-11-29 00:06:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 556 states have (on average 1.4802158273381294) internal successors, (823), 622 states have internal predecessors, (823), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 869 transitions. [2023-11-29 00:06:13,911 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 869 transitions. Word has length 104 [2023-11-29 00:06:13,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:13,912 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 869 transitions. [2023-11-29 00:06:13,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:13,912 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 869 transitions. [2023-11-29 00:06:13,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 00:06:13,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:13,913 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:13,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 00:06:13,914 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:13,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:13,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1010316560, now seen corresponding path program 1 times [2023-11-29 00:06:13,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:13,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793735058] [2023-11-29 00:06:13,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:13,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 00:06:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:14,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:14,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793735058] [2023-11-29 00:06:14,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793735058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:14,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:14,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:14,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14587947] [2023-11-29 00:06:14,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:14,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:06:14,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:14,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:06:14,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:06:14,138 INFO L87 Difference]: Start difference. First operand 650 states and 869 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:14,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:14,776 INFO L93 Difference]: Finished difference Result 1151 states and 1592 transitions. [2023-11-29 00:06:14,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:06:14,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2023-11-29 00:06:14,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:14,779 INFO L225 Difference]: With dead ends: 1151 [2023-11-29 00:06:14,779 INFO L226 Difference]: Without dead ends: 757 [2023-11-29 00:06:14,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 00:06:14,781 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 173 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:14,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1779 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 00:06:14,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-11-29 00:06:14,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 653. [2023-11-29 00:06:14,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 561 states have (on average 1.4741532976827094) internal successors, (827), 625 states have internal predecessors, (827), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:14,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 873 transitions. [2023-11-29 00:06:14,825 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 873 transitions. Word has length 104 [2023-11-29 00:06:14,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:14,825 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 873 transitions. [2023-11-29 00:06:14,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:14,826 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 873 transitions. [2023-11-29 00:06:14,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 00:06:14,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:14,827 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:14,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 00:06:14,828 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:14,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:14,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1009684069, now seen corresponding path program 1 times [2023-11-29 00:06:14,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:14,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210660042] [2023-11-29 00:06:14,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:14,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 00:06:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:15,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:15,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210660042] [2023-11-29 00:06:15,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210660042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:15,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:15,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:15,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471581991] [2023-11-29 00:06:15,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:15,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:06:15,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:15,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:06:15,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:06:15,103 INFO L87 Difference]: Start difference. First operand 653 states and 873 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:15,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:15,644 INFO L93 Difference]: Finished difference Result 690 states and 920 transitions. [2023-11-29 00:06:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:06:15,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2023-11-29 00:06:15,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:15,649 INFO L225 Difference]: With dead ends: 690 [2023-11-29 00:06:15,649 INFO L226 Difference]: Without dead ends: 687 [2023-11-29 00:06:15,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 00:06:15,650 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 397 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:15,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1246 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:06:15,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2023-11-29 00:06:15,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 650. [2023-11-29 00:06:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 561 states have (on average 1.4688057040998217) internal successors, (824), 622 states have internal predecessors, (824), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 870 transitions. [2023-11-29 00:06:15,692 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 870 transitions. Word has length 104 [2023-11-29 00:06:15,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:15,693 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 870 transitions. [2023-11-29 00:06:15,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 870 transitions. [2023-11-29 00:06:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 00:06:15,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:15,694 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:15,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 00:06:15,695 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:15,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:15,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1255041632, now seen corresponding path program 1 times [2023-11-29 00:06:15,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:15,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005357434] [2023-11-29 00:06:15,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:15,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:15,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 00:06:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:15,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:15,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005357434] [2023-11-29 00:06:15,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005357434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:15,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:15,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:15,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718558551] [2023-11-29 00:06:15,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:15,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:06:15,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:15,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:06:15,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:06:15,937 INFO L87 Difference]: Start difference. First operand 650 states and 870 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:16,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:16,489 INFO L93 Difference]: Finished difference Result 1158 states and 1600 transitions. [2023-11-29 00:06:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:06:16,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2023-11-29 00:06:16,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:16,492 INFO L225 Difference]: With dead ends: 1158 [2023-11-29 00:06:16,492 INFO L226 Difference]: Without dead ends: 760 [2023-11-29 00:06:16,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 00:06:16,493 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 293 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:16,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 1552 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:06:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2023-11-29 00:06:16,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 635. [2023-11-29 00:06:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 550 states have (on average 1.461818181818182) internal successors, (804), 607 states have internal predecessors, (804), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 850 transitions. [2023-11-29 00:06:16,522 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 850 transitions. Word has length 105 [2023-11-29 00:06:16,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:16,522 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 850 transitions. [2023-11-29 00:06:16,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 850 transitions. [2023-11-29 00:06:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 00:06:16,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:16,524 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:16,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 00:06:16,524 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:16,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:16,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1235434351, now seen corresponding path program 1 times [2023-11-29 00:06:16,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:16,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175037955] [2023-11-29 00:06:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:16,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 00:06:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:16,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:16,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175037955] [2023-11-29 00:06:16,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175037955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:16,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:16,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:16,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784404565] [2023-11-29 00:06:16,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:16,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:06:16,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:16,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:06:16,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:06:16,720 INFO L87 Difference]: Start difference. First operand 635 states and 850 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:17,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:17,243 INFO L93 Difference]: Finished difference Result 718 states and 966 transitions. [2023-11-29 00:06:17,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:06:17,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2023-11-29 00:06:17,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:17,248 INFO L225 Difference]: With dead ends: 718 [2023-11-29 00:06:17,248 INFO L226 Difference]: Without dead ends: 717 [2023-11-29 00:06:17,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 00:06:17,249 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 425 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:17,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 1333 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:06:17,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-11-29 00:06:17,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 634. [2023-11-29 00:06:17,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 550 states have (on average 1.46) internal successors, (803), 606 states have internal predecessors, (803), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:17,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 849 transitions. [2023-11-29 00:06:17,291 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 849 transitions. Word has length 105 [2023-11-29 00:06:17,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:17,291 INFO L495 AbstractCegarLoop]: Abstraction has 634 states and 849 transitions. [2023-11-29 00:06:17,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:17,291 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 849 transitions. [2023-11-29 00:06:17,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 00:06:17,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:17,293 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 00:06:17,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 00:06:17,294 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:17,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:17,294 INFO L85 PathProgramCache]: Analyzing trace with hash 137634396, now seen corresponding path program 1 times [2023-11-29 00:06:17,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:17,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229211585] [2023-11-29 00:06:17,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:17,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 00:06:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:17,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:17,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229211585] [2023-11-29 00:06:17,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229211585] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:17,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033204427] [2023-11-29 00:06:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:17,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:17,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:17,625 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:17,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 00:06:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:18,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:06:18,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:06:18,159 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:06:18,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033204427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:18,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:06:18,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-29 00:06:18,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636134670] [2023-11-29 00:06:18,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:18,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:06:18,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:18,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:06:18,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:18,161 INFO L87 Difference]: Start difference. First operand 634 states and 849 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:06:18,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:18,435 INFO L93 Difference]: Finished difference Result 1153 states and 1588 transitions. [2023-11-29 00:06:18,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:06:18,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 106 [2023-11-29 00:06:18,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:18,438 INFO L225 Difference]: With dead ends: 1153 [2023-11-29 00:06:18,438 INFO L226 Difference]: Without dead ends: 707 [2023-11-29 00:06:18,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:18,440 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 434 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 2197 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:18,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 2197 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:06:18,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2023-11-29 00:06:18,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 633. [2023-11-29 00:06:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 551 states have (on average 1.4519056261343013) internal successors, (800), 605 states have internal predecessors, (800), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 846 transitions. [2023-11-29 00:06:18,480 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 846 transitions. Word has length 106 [2023-11-29 00:06:18,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:18,480 INFO L495 AbstractCegarLoop]: Abstraction has 633 states and 846 transitions. [2023-11-29 00:06:18,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:06:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 846 transitions. [2023-11-29 00:06:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 00:06:18,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:18,482 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 00:06:18,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 00:06:18,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 00:06:18,687 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:18,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:18,688 INFO L85 PathProgramCache]: Analyzing trace with hash -877316705, now seen corresponding path program 1 times [2023-11-29 00:06:18,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:18,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100222751] [2023-11-29 00:06:18,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:18,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 00:06:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-29 00:06:18,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:18,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100222751] [2023-11-29 00:06:18,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100222751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:18,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:18,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:18,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395817213] [2023-11-29 00:06:18,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:18,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:06:18,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:18,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:06:18,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:06:18,911 INFO L87 Difference]: Start difference. First operand 633 states and 846 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:19,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:19,376 INFO L93 Difference]: Finished difference Result 667 states and 889 transitions. [2023-11-29 00:06:19,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:06:19,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2023-11-29 00:06:19,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:19,380 INFO L225 Difference]: With dead ends: 667 [2023-11-29 00:06:19,380 INFO L226 Difference]: Without dead ends: 666 [2023-11-29 00:06:19,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 00:06:19,381 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 60 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:19,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 1651 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:06:19,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2023-11-29 00:06:19,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 632. [2023-11-29 00:06:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 551 states have (on average 1.4500907441016333) internal successors, (799), 604 states have internal predecessors, (799), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:06:19,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 845 transitions. [2023-11-29 00:06:19,407 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 845 transitions. Word has length 108 [2023-11-29 00:06:19,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:19,408 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 845 transitions. [2023-11-29 00:06:19,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:06:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 845 transitions. [2023-11-29 00:06:19,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 00:06:19,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:19,409 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:19,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 00:06:19,409 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2023-11-29 00:06:19,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:19,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1427013608, now seen corresponding path program 1 times [2023-11-29 00:06:19,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:19,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137752269] [2023-11-29 00:06:19,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:19,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:06:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 00:06:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2023-11-29 00:06:24,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:24,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137752269] [2023-11-29 00:06:24,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137752269] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:24,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417084620] [2023-11-29 00:06:24,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:24,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:24,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:24,097 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:24,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91acea98-d01c-499b-bf06-e085d2434e8a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 00:06:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:24,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-29 00:06:24,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:24,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:24,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:24,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:24,715 INFO L349 Elim1Store]: treesize reduction 57, result has 31.3 percent of original size [2023-11-29 00:06:24,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 31 [2023-11-29 00:06:24,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:24,778 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-29 00:06:24,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 11 [2023-11-29 00:06:24,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:24,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:24,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:24,822 INFO L349 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2023-11-29 00:06:24,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2023-11-29 00:06:24,862 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 00:06:24,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-29 00:06:24,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:24,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:24,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,306 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 00:06:25,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 00:06:25,353 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-29 00:06:25,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-11-29 00:06:25,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:25,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:25,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2023-11-29 00:06:25,455 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:25,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 109 [2023-11-29 00:06:25,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:25,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 11 [2023-11-29 00:06:25,482 INFO L349 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2023-11-29 00:06:25,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2023-11-29 00:06:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:25,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 51 [2023-11-29 00:06:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:25,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 45 [2023-11-29 00:06:25,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:06:25,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 51 [2023-11-29 00:06:25,536 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-29 00:06:25,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 93 [2023-11-29 00:06:25,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2023-11-29 00:06:25,668 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:25,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 00:06:25,705 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 00:06:25,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 00:06:25,878 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:25,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 00:06:25,914 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 00:06:25,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 00:06:26,079 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:26,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 00:06:26,115 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 00:06:26,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 00:06:26,254 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:26,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 00:06:26,278 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 00:06:26,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 00:06:26,410 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:26,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 00:06:26,441 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 00:06:26,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 00:06:26,611 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:26,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 00:06:26,647 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 00:06:26,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 00:06:26,790 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:26,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 00:06:26,803 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 00:06:26,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 00:06:26,954 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:26,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 00:06:26,971 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 00:06:26,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 00:06:27,127 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 00:06:27,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 00:06:27,143 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 00:06:27,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 00:06:27,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 24 [2023-11-29 00:06:27,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 00:06:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-29 00:06:27,396 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:06:27,676 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4344 (Array Int Int))) (not (= (select (select (let ((.cse1 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse1))) (store (store |c_#memory_int| .cse0 v_ArrVal_4342) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse1) v_ArrVal_4344))) 10) 0) 33))) is different from false [2023-11-29 00:06:27,694 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4344 (Array Int Int))) (not (= 33 (select (select (let ((.cse3 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3))) (let ((.cse2 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4340))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3))) (store (store (store |c_#memory_int| .cse0 v_ArrVal_4341) .cse1 v_ArrVal_4342) (select (select (store .cse2 .cse1 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3) v_ArrVal_4344))))) 10) 0)))) is different from false [2023-11-29 00:06:27,720 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (not (= (select (select (let ((.cse4 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4339))) (let ((.cse1 (select (select .cse5 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (let ((.cse3 (store .cse5 .cse1 v_ArrVal_4340))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4338) .cse1 v_ArrVal_4341) .cse2 v_ArrVal_4342) (select (select (store .cse3 .cse2 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4) v_ArrVal_4344))))))) 10) 0) 33))) is different from false [2023-11-29 00:06:27,750 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (not (= 33 (select (select (let ((.cse5 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4337))) (let ((.cse1 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse6 (store .cse7 .cse1 v_ArrVal_4339))) (let ((.cse2 (select (select .cse6 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse4 (store .cse6 .cse2 v_ArrVal_4340))) (let ((.cse3 (select (select .cse4 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4336) .cse1 v_ArrVal_4338) .cse2 v_ArrVal_4341) .cse3 v_ArrVal_4342) (select (select (store .cse4 .cse3 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5) v_ArrVal_4344))))))))) 10) 0)))) is different from false [2023-11-29 00:06:27,836 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (not (= 33 (select (select (let ((.cse6 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse9 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4334))) (let ((.cse1 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse8 (store .cse9 .cse1 v_ArrVal_4337))) (let ((.cse2 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse7 (store .cse8 .cse2 v_ArrVal_4339))) (let ((.cse3 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse5 (store .cse7 .cse3 v_ArrVal_4340))) (let ((.cse4 (select (select .cse5 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4335) .cse1 v_ArrVal_4336) .cse2 v_ArrVal_4338) .cse3 v_ArrVal_4341) .cse4 v_ArrVal_4342) (select (select (store .cse5 .cse4 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6) v_ArrVal_4344))))))))))) 10) 0)))) is different from false [2023-11-29 00:06:28,663 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (not (= (select (select (let ((.cse7 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse11 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4332))) (let ((.cse1 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse10 (store .cse11 .cse1 v_ArrVal_4334))) (let ((.cse2 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse9 (store .cse10 .cse2 v_ArrVal_4337))) (let ((.cse3 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse8 (store .cse9 .cse3 v_ArrVal_4339))) (let ((.cse4 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse6 (store .cse8 .cse4 v_ArrVal_4340))) (let ((.cse5 (select (select .cse6 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4333) .cse1 v_ArrVal_4335) .cse2 v_ArrVal_4336) .cse3 v_ArrVal_4338) .cse4 v_ArrVal_4341) .cse5 v_ArrVal_4342) (select (select (store .cse6 .cse5 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7) v_ArrVal_4344))))))))))))) 10) 0) 33))) is different from false [2023-11-29 00:06:32,975 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (not (= 33 (select (select (let ((.cse8 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse13 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4331))) (let ((.cse1 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse12 (store .cse13 .cse1 v_ArrVal_4332))) (let ((.cse2 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse11 (store .cse12 .cse2 v_ArrVal_4334))) (let ((.cse3 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse10 (store .cse11 .cse3 v_ArrVal_4337))) (let ((.cse4 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse9 (store .cse10 .cse4 v_ArrVal_4339))) (let ((.cse5 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse7 (store .cse9 .cse5 v_ArrVal_4340))) (let ((.cse6 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (store (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4330) .cse1 v_ArrVal_4333) .cse2 v_ArrVal_4335) .cse3 v_ArrVal_4336) .cse4 v_ArrVal_4338) .cse5 v_ArrVal_4341) .cse6 v_ArrVal_4342) (select (select (store .cse7 .cse6 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8) v_ArrVal_4344))))))))))))))) 10) 0)))) is different from false [2023-11-29 00:06:37,977 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4328 (Array Int Int)) (v_ArrVal_4339 (Array Int Int)) (v_ArrVal_4329 (Array Int Int))) (not (= 33 (select (select (let ((.cse9 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse15 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4328))) (let ((.cse1 (select (select .cse15 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse14 (store .cse15 .cse1 v_ArrVal_4331))) (let ((.cse2 (select (select .cse14 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse13 (store .cse14 .cse2 v_ArrVal_4332))) (let ((.cse3 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse12 (store .cse13 .cse3 v_ArrVal_4334))) (let ((.cse4 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse11 (store .cse12 .cse4 v_ArrVal_4337))) (let ((.cse5 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse10 (store .cse11 .cse5 v_ArrVal_4339))) (let ((.cse6 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse8 (store .cse10 .cse6 v_ArrVal_4340))) (let ((.cse7 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (store (store (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4329) .cse1 v_ArrVal_4330) .cse2 v_ArrVal_4333) .cse3 v_ArrVal_4335) .cse4 v_ArrVal_4336) .cse5 v_ArrVal_4338) .cse6 v_ArrVal_4341) .cse7 v_ArrVal_4342) (select (select (store .cse8 .cse7 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9) v_ArrVal_4344))))))))))))))))) 10) 0)))) is different from false [2023-11-29 00:06:42,407 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4326 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4327 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4328 (Array Int Int)) (v_ArrVal_4339 (Array Int Int)) (v_ArrVal_4329 (Array Int Int))) (not (= (select (select (let ((.cse10 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse17 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4326))) (let ((.cse1 (select (select .cse17 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse16 (store .cse17 .cse1 v_ArrVal_4328))) (let ((.cse2 (select (select .cse16 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse15 (store .cse16 .cse2 v_ArrVal_4331))) (let ((.cse3 (select (select .cse15 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse14 (store .cse15 .cse3 v_ArrVal_4332))) (let ((.cse4 (select (select .cse14 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse13 (store .cse14 .cse4 v_ArrVal_4334))) (let ((.cse5 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse12 (store .cse13 .cse5 v_ArrVal_4337))) (let ((.cse6 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse11 (store .cse12 .cse6 v_ArrVal_4339))) (let ((.cse7 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse9 (store .cse11 .cse7 v_ArrVal_4340))) (let ((.cse8 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (store (store (store (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4327) .cse1 v_ArrVal_4329) .cse2 v_ArrVal_4330) .cse3 v_ArrVal_4333) .cse4 v_ArrVal_4335) .cse5 v_ArrVal_4336) .cse6 v_ArrVal_4338) .cse7 v_ArrVal_4341) .cse8 v_ArrVal_4342) (select (select (store .cse9 .cse8 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10) v_ArrVal_4344))))))))))))))))))) 10) 0) 33))) is different from false [2023-11-29 00:06:42,468 INFO L349 Elim1Store]: treesize reduction 29, result has 46.3 percent of original size [2023-11-29 00:06:42,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51167 treesize of output 14364