./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/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_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/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 32bit --witnessprinter.graph.data.programhash 1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:31:34,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:31:34,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 00:31:34,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:31:34,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:31:34,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:31:34,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:31:34,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:31:34,512 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:31:34,512 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:31:34,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:31:34,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:31:34,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:31:34,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:31:34,515 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:31:34,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:31:34,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:31:34,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:31:34,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:31:34,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:31:34,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:31:34,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:31:34,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:31:34,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:31:34,524 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 00:31:34,524 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:31:34,524 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:31:34,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:31:34,525 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:31:34,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:31:34,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:31:34,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:31:34,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:31:34,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:31:34,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:31:34,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:31:34,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:31:34,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:31:34,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:31:34,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:31:34,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:31:34,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:31:34,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:31:34,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:31:34,529 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_d71afae3-90a0-4346-a5d2-e95ca8a43577/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8 [2023-11-29 00:31:34,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:31:34,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:31:34,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:31:34,771 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:31:34,771 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:31:34,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i [2023-11-29 00:31:37,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:31:37,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:31:37,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/sv-benchmarks/c/list-simple/dll2c_insert_unequal.i [2023-11-29 00:31:37,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/data/b659cf1d9/07d9ac25191c40c88c8f5fae628a5d8a/FLAGf3e59a928 [2023-11-29 00:31:37,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/data/b659cf1d9/07d9ac25191c40c88c8f5fae628a5d8a [2023-11-29 00:31:37,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:31:37,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:31:37,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:31:37,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:31:37,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:31:37,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:31:37" (1/1) ... [2023-11-29 00:31:37,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c202467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:37, skipping insertion in model container [2023-11-29 00:31:37,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:31:37" (1/1) ... [2023-11-29 00:31:37,852 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:31:38,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:31:38,142 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:31:38,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:31:38,218 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:31:38,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38 WrapperNode [2023-11-29 00:31:38,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:31:38,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:31:38,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:31:38,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:31:38,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,268 INFO L138 Inliner]: procedures = 127, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 204 [2023-11-29 00:31:38,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:31:38,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:31:38,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:31:38,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:31:38,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,311 INFO L175 MemorySlicer]: Split 40 memory accesses to 3 slices as follows [2, 12, 26]. 65 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 18 writes are split as follows [0, 1, 17]. [2023-11-29 00:31:38,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:31:38,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:31:38,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:31:38,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:31:38,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (1/1) ... [2023-11-29 00:31:38,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:31:38,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:38,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:31:38,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:31:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 00:31:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 00:31:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 00:31:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 00:31:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 00:31:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 00:31:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-29 00:31:38,409 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-29 00:31:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 00:31:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 00:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 00:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 00:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 00:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 00:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 00:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 00:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 00:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 00:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:31:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 00:31:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 00:31:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:31:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:31:38,550 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:31:38,552 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:31:38,860 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:31:38,889 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:31:38,890 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-29 00:31:38,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:31:38 BoogieIcfgContainer [2023-11-29 00:31:38,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:31:38,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:31:38,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:31:38,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:31:38,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:31:37" (1/3) ... [2023-11-29 00:31:38,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e25a623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:31:38, skipping insertion in model container [2023-11-29 00:31:38,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:31:38" (2/3) ... [2023-11-29 00:31:38,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e25a623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:31:38, skipping insertion in model container [2023-11-29 00:31:38,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:31:38" (3/3) ... [2023-11-29 00:31:38,899 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_insert_unequal.i [2023-11-29 00:31:38,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:31:38,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-11-29 00:31:38,965 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:31:38,970 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;@39241e30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:31:38,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-11-29 00:31:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 47 states have (on average 1.7234042553191489) internal successors, (81), 61 states have internal predecessors, (81), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 00:31:38,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:38,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:38,980 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:38,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:38,984 INFO L85 PathProgramCache]: Analyzing trace with hash 441376914, now seen corresponding path program 1 times [2023-11-29 00:31:38,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:38,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145277847] [2023-11-29 00:31:38,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:38,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:39,342 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 00:31:39,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:39,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145277847] [2023-11-29 00:31:39,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145277847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:39,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:39,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:31:39,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102838689] [2023-11-29 00:31:39,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:39,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:31:39,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:39,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:31:39,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:31:39,381 INFO L87 Difference]: Start difference. First operand has 66 states, 47 states have (on average 1.7234042553191489) internal successors, (81), 61 states have internal predecessors, (81), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:31:39,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:39,499 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2023-11-29 00:31:39,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:31:39,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-29 00:31:39,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:39,507 INFO L225 Difference]: With dead ends: 128 [2023-11-29 00:31:39,508 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 00:31:39,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 00:31:39,513 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 8 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:39,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 187 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:39,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 00:31:39,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 56. [2023-11-29 00:31:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 38 states have (on average 1.5263157894736843) internal successors, (58), 51 states have internal predecessors, (58), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 64 transitions. [2023-11-29 00:31:39,546 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 64 transitions. Word has length 9 [2023-11-29 00:31:39,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:39,547 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 64 transitions. [2023-11-29 00:31:39,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:31:39,547 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2023-11-29 00:31:39,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 00:31:39,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:39,549 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:39,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:31:39,549 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:39,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:39,550 INFO L85 PathProgramCache]: Analyzing trace with hash -934883174, now seen corresponding path program 1 times [2023-11-29 00:31:39,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:39,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424082291] [2023-11-29 00:31:39,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:39,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:39,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 00:31:39,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:39,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424082291] [2023-11-29 00:31:39,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424082291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:39,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:39,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:31:39,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702229330] [2023-11-29 00:31:39,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:39,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:31:39,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:39,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:31:39,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:31:39,769 INFO L87 Difference]: Start difference. First operand 56 states and 64 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:31:39,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:39,877 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2023-11-29 00:31:39,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:31:39,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2023-11-29 00:31:39,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:39,879 INFO L225 Difference]: With dead ends: 64 [2023-11-29 00:31:39,879 INFO L226 Difference]: Without dead ends: 62 [2023-11-29 00:31:39,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:31:39,881 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 4 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:39,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 193 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:39,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-29 00:31:39,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-29 00:31:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.4883720930232558) internal successors, (64), 56 states have internal predecessors, (64), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 00:31:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2023-11-29 00:31:39,891 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 15 [2023-11-29 00:31:39,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:39,892 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2023-11-29 00:31:39,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:31:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2023-11-29 00:31:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 00:31:39,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:39,893 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:39,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:31:39,894 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:39,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:39,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1326244716, now seen corresponding path program 1 times [2023-11-29 00:31:39,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:39,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496514471] [2023-11-29 00:31:39,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:39,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 00:31:40,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:40,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496514471] [2023-11-29 00:31:40,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496514471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:40,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:40,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:31:40,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599420047] [2023-11-29 00:31:40,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:40,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:31:40,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:40,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:31:40,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:31:40,082 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:31:40,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:40,153 INFO L93 Difference]: Finished difference Result 62 states and 72 transitions. [2023-11-29 00:31:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:31:40,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-11-29 00:31:40,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:40,155 INFO L225 Difference]: With dead ends: 62 [2023-11-29 00:31:40,155 INFO L226 Difference]: Without dead ends: 56 [2023-11-29 00:31:40,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:31:40,157 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 41 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:40,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 88 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:40,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-29 00:31:40,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-29 00:31:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 50 states have internal predecessors, (58), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 00:31:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2023-11-29 00:31:40,166 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 19 [2023-11-29 00:31:40,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:40,166 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2023-11-29 00:31:40,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:31:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2023-11-29 00:31:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 00:31:40,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:40,167 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:40,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:31:40,168 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:40,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:40,168 INFO L85 PathProgramCache]: Analyzing trace with hash 865764124, now seen corresponding path program 1 times [2023-11-29 00:31:40,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:40,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321360365] [2023-11-29 00:31:40,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:40,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:40,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 00:31:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 00:31:40,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:40,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321360365] [2023-11-29 00:31:40,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321360365] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:40,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739333727] [2023-11-29 00:31:40,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:40,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:40,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:40,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:40,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:31:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:40,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:31:40,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 00:31:40,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:31:40,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739333727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:40,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:31:40,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2023-11-29 00:31:40,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121877549] [2023-11-29 00:31:40,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:40,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:31:40,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:40,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:31:40,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:31:40,635 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 00:31:40,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:40,684 INFO L93 Difference]: Finished difference Result 94 states and 109 transitions. [2023-11-29 00:31:40,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:31:40,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 25 [2023-11-29 00:31:40,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:40,686 INFO L225 Difference]: With dead ends: 94 [2023-11-29 00:31:40,686 INFO L226 Difference]: Without dead ends: 48 [2023-11-29 00:31:40,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:31:40,687 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 5 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:40,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 133 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:31:40,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-29 00:31:40,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-29 00:31:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 43 states have internal predecessors, (49), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2023-11-29 00:31:40,694 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 25 [2023-11-29 00:31:40,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:40,695 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2023-11-29 00:31:40,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 00:31:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2023-11-29 00:31:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 00:31:40,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:40,696 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:40,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:31:40,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:40,897 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:40,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:40,897 INFO L85 PathProgramCache]: Analyzing trace with hash -27456178, now seen corresponding path program 1 times [2023-11-29 00:31:40,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:40,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611940503] [2023-11-29 00:31:40,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:40,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 00:31:41,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:41,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611940503] [2023-11-29 00:31:41,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611940503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:41,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:41,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:31:41,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982582772] [2023-11-29 00:31:41,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:41,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:31:41,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:41,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:31:41,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:31:41,036 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:41,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:41,105 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2023-11-29 00:31:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:31:41,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2023-11-29 00:31:41,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:41,107 INFO L225 Difference]: With dead ends: 48 [2023-11-29 00:31:41,107 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 00:31:41,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 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 00:31:41,108 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:41,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 117 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:41,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 00:31:41,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 00:31:41,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 42 states have internal predecessors, (48), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2023-11-29 00:31:41,114 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 27 [2023-11-29 00:31:41,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:41,115 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2023-11-29 00:31:41,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:41,115 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2023-11-29 00:31:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-29 00:31:41,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:41,116 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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 00:31:41,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:31:41,117 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:41,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:41,117 INFO L85 PathProgramCache]: Analyzing trace with hash -851141437, now seen corresponding path program 1 times [2023-11-29 00:31:41,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:41,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141328601] [2023-11-29 00:31:41,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:41,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 00:31:41,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:41,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141328601] [2023-11-29 00:31:41,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141328601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:41,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:41,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:31:41,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783911728] [2023-11-29 00:31:41,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:41,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:31:41,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:31:41,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:31:41,398 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:31:41,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:41,507 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2023-11-29 00:31:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:31:41,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2023-11-29 00:31:41,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:41,508 INFO L225 Difference]: With dead ends: 47 [2023-11-29 00:31:41,508 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 00:31:41,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:31:41,509 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 42 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:41,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 144 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:41,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 00:31:41,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 00:31:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 41 states have internal predecessors, (47), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2023-11-29 00:31:41,516 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 28 [2023-11-29 00:31:41,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:41,516 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2023-11-29 00:31:41,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:31:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-11-29 00:31:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-29 00:31:41,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:41,518 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:41,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:31:41,518 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:41,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1083103678, now seen corresponding path program 1 times [2023-11-29 00:31:41,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:41,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776646696] [2023-11-29 00:31:41,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:41,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 00:31:41,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:41,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776646696] [2023-11-29 00:31:41,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776646696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:41,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:41,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:31:41,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804582903] [2023-11-29 00:31:41,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:41,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:31:41,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:41,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:31:41,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:31:41,658 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:41,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:41,736 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2023-11-29 00:31:41,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:31:41,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2023-11-29 00:31:41,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:41,738 INFO L225 Difference]: With dead ends: 70 [2023-11-29 00:31:41,738 INFO L226 Difference]: Without dead ends: 49 [2023-11-29 00:31:41,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:31:41,739 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 4 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:41,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 115 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:41,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-29 00:31:41,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2023-11-29 00:31:41,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 43 states have internal predecessors, (50), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2023-11-29 00:31:41,746 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 31 [2023-11-29 00:31:41,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:41,746 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2023-11-29 00:31:41,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-29 00:31:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 00:31:41,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:41,748 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:41,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:31:41,748 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:41,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:41,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1159740158, now seen corresponding path program 1 times [2023-11-29 00:31:41,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:41,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838112221] [2023-11-29 00:31:41,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:41,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 00:31:41,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:41,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838112221] [2023-11-29 00:31:41,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838112221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:41,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:41,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:31:41,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21246803] [2023-11-29 00:31:41,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:41,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:31:41,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:41,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:31:41,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:31:41,921 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:42,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:42,009 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2023-11-29 00:31:42,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:31:42,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2023-11-29 00:31:42,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:42,010 INFO L225 Difference]: With dead ends: 54 [2023-11-29 00:31:42,010 INFO L226 Difference]: Without dead ends: 52 [2023-11-29 00:31:42,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:31:42,012 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:42,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 159 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:42,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-29 00:31:42,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-29 00:31:42,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:42,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2023-11-29 00:31:42,018 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 33 [2023-11-29 00:31:42,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:42,019 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2023-11-29 00:31:42,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2023-11-29 00:31:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 00:31:42,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:42,020 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:42,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:31:42,021 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:42,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:42,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1922778876, now seen corresponding path program 1 times [2023-11-29 00:31:42,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:42,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856298596] [2023-11-29 00:31:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:42,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 00:31:42,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:42,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856298596] [2023-11-29 00:31:42,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856298596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:42,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:42,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:31:42,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340067061] [2023-11-29 00:31:42,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:42,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:31:42,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:42,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:31:42,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:31:42,261 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:31:42,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:42,356 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2023-11-29 00:31:42,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:31:42,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-29 00:31:42,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:42,358 INFO L225 Difference]: With dead ends: 81 [2023-11-29 00:31:42,358 INFO L226 Difference]: Without dead ends: 53 [2023-11-29 00:31:42,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:31:42,359 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 39 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:42,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 114 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:42,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-29 00:31:42,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2023-11-29 00:31:42,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 46 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2023-11-29 00:31:42,365 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 38 [2023-11-29 00:31:42,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:42,366 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2023-11-29 00:31:42,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:31:42,366 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2023-11-29 00:31:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 00:31:42,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:42,367 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:42,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:31:42,368 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:42,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:42,368 INFO L85 PathProgramCache]: Analyzing trace with hash -915651255, now seen corresponding path program 1 times [2023-11-29 00:31:42,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:42,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342530553] [2023-11-29 00:31:42,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:42,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:42,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:42,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342530553] [2023-11-29 00:31:42,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342530553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:42,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:42,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:31:42,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625857742] [2023-11-29 00:31:42,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:42,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:31:42,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:42,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:31:42,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:31:42,557 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:42,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:42,703 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions. [2023-11-29 00:31:42,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:31:42,703 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2023-11-29 00:31:42,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:42,704 INFO L225 Difference]: With dead ends: 70 [2023-11-29 00:31:42,704 INFO L226 Difference]: Without dead ends: 69 [2023-11-29 00:31:42,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:31:42,705 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 18 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:42,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 220 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-29 00:31:42,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 55. [2023-11-29 00:31:42,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 50 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:42,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2023-11-29 00:31:42,712 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 39 [2023-11-29 00:31:42,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:42,712 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2023-11-29 00:31:42,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:42,712 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-29 00:31:42,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 00:31:42,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:42,714 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-29 00:31:42,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:31:42,714 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:42,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:42,714 INFO L85 PathProgramCache]: Analyzing trace with hash -915611533, now seen corresponding path program 1 times [2023-11-29 00:31:42,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:42,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308723548] [2023-11-29 00:31:42,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:42,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:42,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:42,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308723548] [2023-11-29 00:31:42,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308723548] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:42,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464320547] [2023-11-29 00:31:42,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:42,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:42,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:42,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:42,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:31:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:43,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:31:43,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:43,228 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:43,228 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:31:43,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464320547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:43,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:31:43,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2023-11-29 00:31:43,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22272992] [2023-11-29 00:31:43,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:43,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:31:43,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:43,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:31:43,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:31:43,231 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:43,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:43,292 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2023-11-29 00:31:43,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:31:43,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2023-11-29 00:31:43,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:43,293 INFO L225 Difference]: With dead ends: 55 [2023-11-29 00:31:43,293 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 00:31:43,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:31:43,295 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 14 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:43,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 151 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:31:43,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 00:31:43,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-29 00:31:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 49 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2023-11-29 00:31:43,300 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 39 [2023-11-29 00:31:43,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:43,300 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2023-11-29 00:31:43,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:43,301 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2023-11-29 00:31:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 00:31:43,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:43,302 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:43,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:31:43,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 00:31:43,508 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:43,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:43,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1679582298, now seen corresponding path program 1 times [2023-11-29 00:31:43,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:43,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644092130] [2023-11-29 00:31:43,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:43,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:43,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:43,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:43,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:43,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644092130] [2023-11-29 00:31:43,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644092130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:43,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:43,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:31:43,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194776795] [2023-11-29 00:31:43,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:43,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:31:43,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:43,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:31:43,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:31:43,707 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:43,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:43,814 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2023-11-29 00:31:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:31:43,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2023-11-29 00:31:43,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:43,816 INFO L225 Difference]: With dead ends: 61 [2023-11-29 00:31:43,816 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 00:31:43,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:31:43,817 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 11 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:43,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 183 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:43,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 00:31:43,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2023-11-29 00:31:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 50 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2023-11-29 00:31:43,822 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 40 [2023-11-29 00:31:43,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:43,822 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2023-11-29 00:31:43,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:43,823 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-29 00:31:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 00:31:43,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:43,823 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:43,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:31:43,824 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:43,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1680813660, now seen corresponding path program 1 times [2023-11-29 00:31:43,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:43,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986284099] [2023-11-29 00:31:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:43,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:43,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:43,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986284099] [2023-11-29 00:31:43,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986284099] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:43,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118001334] [2023-11-29 00:31:43,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:43,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:43,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:43,994 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:43,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:31:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:44,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:31:44,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:44,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:31:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:44,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118001334] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:31:44,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:31:44,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2023-11-29 00:31:44,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814902029] [2023-11-29 00:31:44,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:31:44,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:31:44,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:44,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:31:44,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:31:44,387 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:44,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:44,551 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2023-11-29 00:31:44,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:31:44,552 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2023-11-29 00:31:44,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:44,553 INFO L225 Difference]: With dead ends: 82 [2023-11-29 00:31:44,554 INFO L226 Difference]: Without dead ends: 81 [2023-11-29 00:31:44,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:31:44,555 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 41 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:44,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 316 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:44,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-29 00:31:44,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2023-11-29 00:31:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 64 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2023-11-29 00:31:44,562 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 40 [2023-11-29 00:31:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:44,562 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-29 00:31:44,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-29 00:31:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-29 00:31:44,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:44,563 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:44,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:31:44,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 00:31:44,767 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:44,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:44,768 INFO L85 PathProgramCache]: Analyzing trace with hash 67375535, now seen corresponding path program 1 times [2023-11-29 00:31:44,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:44,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808962377] [2023-11-29 00:31:44,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:44,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:44,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:44,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:44,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808962377] [2023-11-29 00:31:44,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808962377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:44,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:44,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 00:31:44,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542127475] [2023-11-29 00:31:44,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:44,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:31:44,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:44,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:31:44,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:31:44,978 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:45,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:45,147 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2023-11-29 00:31:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:31:45,148 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2023-11-29 00:31:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:45,148 INFO L225 Difference]: With dead ends: 76 [2023-11-29 00:31:45,148 INFO L226 Difference]: Without dead ends: 75 [2023-11-29 00:31:45,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:31:45,149 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 14 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:45,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 285 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:45,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-29 00:31:45,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2023-11-29 00:31:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 69 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:45,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2023-11-29 00:31:45,156 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 43 [2023-11-29 00:31:45,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:45,156 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2023-11-29 00:31:45,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2023-11-29 00:31:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 00:31:45,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:45,157 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:45,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 00:31:45,158 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:45,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:45,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2088641729, now seen corresponding path program 1 times [2023-11-29 00:31:45,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:45,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563584007] [2023-11-29 00:31:45,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:45,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:45,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:45,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:45,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563584007] [2023-11-29 00:31:45,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563584007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:45,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:31:45,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 00:31:45,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787121383] [2023-11-29 00:31:45,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:45,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:31:45,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:45,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:31:45,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:31:45,381 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:45,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:45,536 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2023-11-29 00:31:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:31:45,536 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2023-11-29 00:31:45,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:45,537 INFO L225 Difference]: With dead ends: 79 [2023-11-29 00:31:45,537 INFO L226 Difference]: Without dead ends: 78 [2023-11-29 00:31:45,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:31:45,538 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 16 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:45,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 245 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-29 00:31:45,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-29 00:31:45,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 73 states have internal predecessors, (83), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:45,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2023-11-29 00:31:45,545 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 44 [2023-11-29 00:31:45,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:45,545 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2023-11-29 00:31:45,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:45,545 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2023-11-29 00:31:45,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 00:31:45,546 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:45,546 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-29 00:31:45,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:31:45,546 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:45,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:45,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1205512747, now seen corresponding path program 1 times [2023-11-29 00:31:45,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:45,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899053364] [2023-11-29 00:31:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:45,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:45,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:45,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899053364] [2023-11-29 00:31:45,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899053364] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:45,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59745216] [2023-11-29 00:31:45,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:45,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:45,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:45,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:45,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:31:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:46,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:31:46,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:46,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:31:46,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59745216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:46,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:31:46,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2023-11-29 00:31:46,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11117599] [2023-11-29 00:31:46,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:46,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:31:46,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:46,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:31:46,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:31:46,072 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:46,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:46,171 INFO L93 Difference]: Finished difference Result 84 states and 95 transitions. [2023-11-29 00:31:46,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:31:46,171 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2023-11-29 00:31:46,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:46,172 INFO L225 Difference]: With dead ends: 84 [2023-11-29 00:31:46,172 INFO L226 Difference]: Without dead ends: 83 [2023-11-29 00:31:46,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:31:46,173 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 43 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:46,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 170 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:46,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-29 00:31:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2023-11-29 00:31:46,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 72 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2023-11-29 00:31:46,202 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 44 [2023-11-29 00:31:46,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:46,202 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2023-11-29 00:31:46,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2023-11-29 00:31:46,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 00:31:46,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:46,204 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-29 00:31:46,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 00:31:46,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 00:31:46,410 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:46,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:46,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1283810376, now seen corresponding path program 1 times [2023-11-29 00:31:46,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:46,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620537585] [2023-11-29 00:31:46,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:46,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:46,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:46,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:46,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620537585] [2023-11-29 00:31:46,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620537585] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:46,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428557641] [2023-11-29 00:31:46,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:46,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:46,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:46,597 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:46,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:31:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:46,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:31:46,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:46,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:31:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:47,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428557641] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:31:47,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:31:47,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2023-11-29 00:31:47,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580011557] [2023-11-29 00:31:47,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:31:47,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 00:31:47,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:47,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 00:31:47,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:31:47,074 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:47,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:47,308 INFO L93 Difference]: Finished difference Result 102 states and 116 transitions. [2023-11-29 00:31:47,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 00:31:47,309 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2023-11-29 00:31:47,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:47,309 INFO L225 Difference]: With dead ends: 102 [2023-11-29 00:31:47,309 INFO L226 Difference]: Without dead ends: 101 [2023-11-29 00:31:47,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=462, Unknown=0, NotChecked=0, Total=600 [2023-11-29 00:31:47,311 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 58 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:47,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 406 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:31:47,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-29 00:31:47,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 82. [2023-11-29 00:31:47,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 74 states have (on average 1.1891891891891893) internal successors, (88), 77 states have internal predecessors, (88), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2023-11-29 00:31:47,317 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 45 [2023-11-29 00:31:47,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:47,317 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2023-11-29 00:31:47,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2023-11-29 00:31:47,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-29 00:31:47,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:47,318 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-29 00:31:47,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:31:47,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 00:31:47,519 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:47,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:47,520 INFO L85 PathProgramCache]: Analyzing trace with hash 688993681, now seen corresponding path program 1 times [2023-11-29 00:31:47,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:47,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874732360] [2023-11-29 00:31:47,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:47,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:47,729 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:47,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:47,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874732360] [2023-11-29 00:31:47,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874732360] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:47,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758011377] [2023-11-29 00:31:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:47,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:47,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:47,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:47,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:31:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:48,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:31:48,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:48,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:31:48,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758011377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:31:48,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:31:48,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 12 [2023-11-29 00:31:48,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023268648] [2023-11-29 00:31:48,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:31:48,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:31:48,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:48,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:31:48,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:31:48,102 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:48,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:48,235 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2023-11-29 00:31:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:31:48,236 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2023-11-29 00:31:48,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:48,237 INFO L225 Difference]: With dead ends: 83 [2023-11-29 00:31:48,237 INFO L226 Difference]: Without dead ends: 82 [2023-11-29 00:31:48,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-11-29 00:31:48,238 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 32 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:48,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 238 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:48,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-29 00:31:48,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 76. [2023-11-29 00:31:48,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.173913043478261) internal successors, (81), 71 states have internal predecessors, (81), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2023-11-29 00:31:48,243 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 48 [2023-11-29 00:31:48,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:48,243 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2023-11-29 00:31:48,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2023-11-29 00:31:48,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 00:31:48,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:48,244 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:48,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 00:31:48,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 00:31:48,445 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:48,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:48,445 INFO L85 PathProgramCache]: Analyzing trace with hash -550450252, now seen corresponding path program 1 times [2023-11-29 00:31:48,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:48,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651422006] [2023-11-29 00:31:48,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:48,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:48,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:48,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651422006] [2023-11-29 00:31:48,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651422006] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:48,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75148212] [2023-11-29 00:31:48,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:48,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:48,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:48,647 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:48,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:31:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:48,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:31:48,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:48,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:31:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:49,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75148212] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:31:49,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:31:49,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2023-11-29 00:31:49,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182693490] [2023-11-29 00:31:49,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:31:49,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 00:31:49,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:49,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 00:31:49,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2023-11-29 00:31:49,107 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand has 21 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:49,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:49,340 INFO L93 Difference]: Finished difference Result 100 states and 114 transitions. [2023-11-29 00:31:49,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 00:31:49,340 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2023-11-29 00:31:49,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:49,341 INFO L225 Difference]: With dead ends: 100 [2023-11-29 00:31:49,342 INFO L226 Difference]: Without dead ends: 99 [2023-11-29 00:31:49,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=692, Unknown=0, NotChecked=0, Total=870 [2023-11-29 00:31:49,343 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 56 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:49,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 315 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:31:49,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-29 00:31:49,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2023-11-29 00:31:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 88 states have (on average 1.1363636363636365) internal successors, (100), 90 states have internal predecessors, (100), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 106 transitions. [2023-11-29 00:31:49,350 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 106 transitions. Word has length 49 [2023-11-29 00:31:49,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:49,350 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 106 transitions. [2023-11-29 00:31:49,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2023-11-29 00:31:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-29 00:31:49,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:49,351 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:49,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 00:31:49,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:49,552 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:49,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:49,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1917014143, now seen corresponding path program 1 times [2023-11-29 00:31:49,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:49,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047075839] [2023-11-29 00:31:49,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:49,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:49,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:49,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047075839] [2023-11-29 00:31:49,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047075839] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:49,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163732146] [2023-11-29 00:31:49,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:49,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:49,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:49,784 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:49,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 00:31:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:50,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 00:31:50,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:50,165 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:31:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:50,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163732146] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:31:50,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:31:50,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2023-11-29 00:31:50,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776553165] [2023-11-29 00:31:50,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:31:50,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 00:31:50,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:50,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 00:31:50,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2023-11-29 00:31:50,337 INFO L87 Difference]: Start difference. First operand 95 states and 106 transitions. Second operand has 25 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 24 states have internal predecessors, (74), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:50,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:50,642 INFO L93 Difference]: Finished difference Result 147 states and 164 transitions. [2023-11-29 00:31:50,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 00:31:50,642 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 24 states have internal predecessors, (74), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2023-11-29 00:31:50,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:50,643 INFO L225 Difference]: With dead ends: 147 [2023-11-29 00:31:50,643 INFO L226 Difference]: Without dead ends: 144 [2023-11-29 00:31:50,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=310, Invalid=1250, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 00:31:50,644 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 72 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:50,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 385 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:31:50,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-29 00:31:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2023-11-29 00:31:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 98 states have (on average 1.1428571428571428) internal successors, (112), 100 states have internal predecessors, (112), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:50,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 118 transitions. [2023-11-29 00:31:50,650 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 118 transitions. Word has length 54 [2023-11-29 00:31:50,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:50,650 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 118 transitions. [2023-11-29 00:31:50,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 24 states have internal predecessors, (74), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:50,650 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2023-11-29 00:31:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 00:31:50,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:50,651 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:50,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 00:31:50,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:50,852 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:50,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:50,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1948417919, now seen corresponding path program 1 times [2023-11-29 00:31:50,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:50,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349937983] [2023-11-29 00:31:50,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:50,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:51,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:51,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349937983] [2023-11-29 00:31:51,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349937983] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:51,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353212762] [2023-11-29 00:31:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:51,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:51,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:51,165 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:51,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 00:31:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:51,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 00:31:51,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:51,557 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:31:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:51,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353212762] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:31:51,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:31:51,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 28 [2023-11-29 00:31:51,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213489202] [2023-11-29 00:31:51,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:31:51,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-29 00:31:51,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:51,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-29 00:31:51,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2023-11-29 00:31:51,758 INFO L87 Difference]: Start difference. First operand 105 states and 118 transitions. Second operand has 29 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:52,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:52,064 INFO L93 Difference]: Finished difference Result 160 states and 176 transitions. [2023-11-29 00:31:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 00:31:52,064 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 59 [2023-11-29 00:31:52,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:52,066 INFO L225 Difference]: With dead ends: 160 [2023-11-29 00:31:52,066 INFO L226 Difference]: Without dead ends: 159 [2023-11-29 00:31:52,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=368, Invalid=1524, Unknown=0, NotChecked=0, Total=1892 [2023-11-29 00:31:52,067 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 122 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:52,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 364 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:31:52,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-29 00:31:52,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 115. [2023-11-29 00:31:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 108 states have (on average 1.1296296296296295) internal successors, (122), 110 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 128 transitions. [2023-11-29 00:31:52,074 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 128 transitions. Word has length 59 [2023-11-29 00:31:52,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:52,074 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 128 transitions. [2023-11-29 00:31:52,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2023-11-29 00:31:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 00:31:52,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:52,075 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:52,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 00:31:52,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:52,276 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:52,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:52,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1367117766, now seen corresponding path program 2 times [2023-11-29 00:31:52,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:52,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857426043] [2023-11-29 00:31:52,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:52,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:52,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:52,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:52,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:52,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857426043] [2023-11-29 00:31:52,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857426043] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:52,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339435776] [2023-11-29 00:31:52,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:31:52,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:52,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:52,596 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:52,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 00:31:52,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:31:52,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:31:52,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 00:31:52,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:52,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:31:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:53,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339435776] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:31:53,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:31:53,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2023-11-29 00:31:53,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761356469] [2023-11-29 00:31:53,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:31:53,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-29 00:31:53,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:53,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-29 00:31:53,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 00:31:53,220 INFO L87 Difference]: Start difference. First operand 115 states and 128 transitions. Second operand has 33 states, 32 states have (on average 3.0) internal successors, (96), 32 states have internal predecessors, (96), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:53,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:53,578 INFO L93 Difference]: Finished difference Result 202 states and 229 transitions. [2023-11-29 00:31:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 00:31:53,579 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.0) internal successors, (96), 32 states have internal predecessors, (96), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 65 [2023-11-29 00:31:53,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:53,580 INFO L225 Difference]: With dead ends: 202 [2023-11-29 00:31:53,580 INFO L226 Difference]: Without dead ends: 201 [2023-11-29 00:31:53,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=604, Invalid=1558, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 00:31:53,581 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 215 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:53,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 261 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:31:53,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-29 00:31:53,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 154. [2023-11-29 00:31:53,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 147 states have (on average 1.1428571428571428) internal successors, (168), 149 states have internal predecessors, (168), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 174 transitions. [2023-11-29 00:31:53,588 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 174 transitions. Word has length 65 [2023-11-29 00:31:53,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:53,588 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 174 transitions. [2023-11-29 00:31:53,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.0) internal successors, (96), 32 states have internal predecessors, (96), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 174 transitions. [2023-11-29 00:31:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 00:31:53,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:53,589 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:53,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 00:31:53,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-29 00:31:53,790 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:53,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:53,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1712518420, now seen corresponding path program 2 times [2023-11-29 00:31:53,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:53,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633560846] [2023-11-29 00:31:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:53,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:54,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:54,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:54,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:54,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633560846] [2023-11-29 00:31:54,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633560846] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:54,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239359589] [2023-11-29 00:31:54,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:31:54,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:54,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:54,114 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:54,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 00:31:54,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:31:54,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:31:54,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 00:31:54,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:54,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:31:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:54,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239359589] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:31:54,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:31:54,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 36 [2023-11-29 00:31:54,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604834337] [2023-11-29 00:31:54,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:31:54,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-29 00:31:54,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:54,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-29 00:31:54,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 00:31:54,880 INFO L87 Difference]: Start difference. First operand 154 states and 174 transitions. Second operand has 37 states, 36 states have (on average 2.888888888888889) internal successors, (104), 36 states have internal predecessors, (104), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:55,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:55,350 INFO L93 Difference]: Finished difference Result 224 states and 248 transitions. [2023-11-29 00:31:55,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-29 00:31:55,351 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 2.888888888888889) internal successors, (104), 36 states have internal predecessors, (104), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 69 [2023-11-29 00:31:55,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:55,352 INFO L225 Difference]: With dead ends: 224 [2023-11-29 00:31:55,352 INFO L226 Difference]: Without dead ends: 223 [2023-11-29 00:31:55,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=628, Invalid=2678, Unknown=0, NotChecked=0, Total=3306 [2023-11-29 00:31:55,355 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 96 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:55,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 567 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:31:55,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-11-29 00:31:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 160. [2023-11-29 00:31:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 153 states have (on average 1.1372549019607843) internal successors, (174), 155 states have internal predecessors, (174), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 180 transitions. [2023-11-29 00:31:55,365 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 180 transitions. Word has length 69 [2023-11-29 00:31:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:55,366 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 180 transitions. [2023-11-29 00:31:55,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 2.888888888888889) internal successors, (104), 36 states have internal predecessors, (104), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 180 transitions. [2023-11-29 00:31:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-29 00:31:55,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:55,367 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:55,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 00:31:55,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-29 00:31:55,567 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:55,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:55,568 INFO L85 PathProgramCache]: Analyzing trace with hash 595252378, now seen corresponding path program 2 times [2023-11-29 00:31:55,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:55,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842183478] [2023-11-29 00:31:55,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:55,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:55,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:55,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:55,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:55,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842183478] [2023-11-29 00:31:55,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842183478] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:55,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398837786] [2023-11-29 00:31:55,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:31:55,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:55,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:55,925 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:55,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 00:31:56,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:31:56,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:31:56,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 00:31:56,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:56,339 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:56,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:31:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:56,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398837786] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:31:56,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:31:56,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 36 [2023-11-29 00:31:56,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897006964] [2023-11-29 00:31:56,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:31:56,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-29 00:31:56,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:56,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-29 00:31:56,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=1019, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 00:31:56,600 INFO L87 Difference]: Start difference. First operand 160 states and 180 transitions. Second operand has 37 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:57,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:57,121 INFO L93 Difference]: Finished difference Result 224 states and 252 transitions. [2023-11-29 00:31:57,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 00:31:57,121 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 70 [2023-11-29 00:31:57,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:57,123 INFO L225 Difference]: With dead ends: 224 [2023-11-29 00:31:57,123 INFO L226 Difference]: Without dead ends: 223 [2023-11-29 00:31:57,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 956 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=918, Invalid=3242, Unknown=0, NotChecked=0, Total=4160 [2023-11-29 00:31:57,125 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 182 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:57,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 439 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:31:57,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-11-29 00:31:57,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 165. [2023-11-29 00:31:57,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 158 states have (on average 1.139240506329114) internal successors, (180), 160 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 186 transitions. [2023-11-29 00:31:57,138 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 186 transitions. Word has length 70 [2023-11-29 00:31:57,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:57,138 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 186 transitions. [2023-11-29 00:31:57,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:57,139 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 186 transitions. [2023-11-29 00:31:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 00:31:57,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:57,140 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:57,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 00:31:57,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 00:31:57,340 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:57,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:57,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1968540415, now seen corresponding path program 2 times [2023-11-29 00:31:57,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:57,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889093587] [2023-11-29 00:31:57,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:57,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:57,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:57,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889093587] [2023-11-29 00:31:57,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889093587] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:57,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617161516] [2023-11-29 00:31:57,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:31:57,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:57,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:57,715 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:57,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 00:31:58,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:31:58,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:31:58,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 00:31:58,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:31:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:58,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:31:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:58,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617161516] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:31:58,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:31:58,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 40 [2023-11-29 00:31:58,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361686071] [2023-11-29 00:31:58,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:31:58,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-29 00:31:58,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:31:58,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-29 00:31:58,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1283, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 00:31:58,558 INFO L87 Difference]: Start difference. First operand 165 states and 186 transitions. Second operand has 41 states, 40 states have (on average 2.85) internal successors, (114), 40 states have internal predecessors, (114), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:59,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:31:59,144 INFO L93 Difference]: Finished difference Result 237 states and 260 transitions. [2023-11-29 00:31:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-29 00:31:59,144 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.85) internal successors, (114), 40 states have internal predecessors, (114), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 74 [2023-11-29 00:31:59,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:31:59,146 INFO L225 Difference]: With dead ends: 237 [2023-11-29 00:31:59,146 INFO L226 Difference]: Without dead ends: 236 [2023-11-29 00:31:59,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1166 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1038, Invalid=4074, Unknown=0, NotChecked=0, Total=5112 [2023-11-29 00:31:59,149 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 157 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:31:59,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 603 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:31:59,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-29 00:31:59,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 169. [2023-11-29 00:31:59,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 162 states have (on average 1.1358024691358024) internal successors, (184), 164 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:31:59,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 190 transitions. [2023-11-29 00:31:59,162 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 190 transitions. Word has length 74 [2023-11-29 00:31:59,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:31:59,162 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 190 transitions. [2023-11-29 00:31:59,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.85) internal successors, (114), 40 states have internal predecessors, (114), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:31:59,162 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 190 transitions. [2023-11-29 00:31:59,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 00:31:59,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:31:59,163 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:31:59,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 00:31:59,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:59,364 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:31:59,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:31:59,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1670965473, now seen corresponding path program 3 times [2023-11-29 00:31:59,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:31:59,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719263833] [2023-11-29 00:31:59,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:31:59,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:31:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:31:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:59,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:31:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:31:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:31:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:31:59,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:31:59,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719263833] [2023-11-29 00:31:59,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719263833] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:31:59,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115966916] [2023-11-29 00:31:59,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 00:31:59,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:31:59,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:31:59,849 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:31:59,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 00:32:01,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-29 00:32:01,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:32:01,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 00:32:01,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:32:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-29 00:32:01,890 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:32:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-29 00:32:02,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115966916] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:32:02,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:32:02,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 9, 9] total 36 [2023-11-29 00:32:02,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241510088] [2023-11-29 00:32:02,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:32:02,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-11-29 00:32:02,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:02,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-11-29 00:32:02,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 00:32:02,075 INFO L87 Difference]: Start difference. First operand 169 states and 190 transitions. Second operand has 36 states, 36 states have (on average 3.0833333333333335) internal successors, (111), 35 states have internal predecessors, (111), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 00:32:02,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:02,771 INFO L93 Difference]: Finished difference Result 409 states and 449 transitions. [2023-11-29 00:32:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 00:32:02,772 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.0833333333333335) internal successors, (111), 35 states have internal predecessors, (111), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 79 [2023-11-29 00:32:02,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:02,774 INFO L225 Difference]: With dead ends: 409 [2023-11-29 00:32:02,774 INFO L226 Difference]: Without dead ends: 272 [2023-11-29 00:32:02,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=570, Invalid=3336, Unknown=0, NotChecked=0, Total=3906 [2023-11-29 00:32:02,777 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 260 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:02,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 557 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:32:02,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-11-29 00:32:02,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 185. [2023-11-29 00:32:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 178 states have (on average 1.1404494382022472) internal successors, (203), 180 states have internal predecessors, (203), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:32:02,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 209 transitions. [2023-11-29 00:32:02,788 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 209 transitions. Word has length 79 [2023-11-29 00:32:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:02,789 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 209 transitions. [2023-11-29 00:32:02,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.0833333333333335) internal successors, (111), 35 states have internal predecessors, (111), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 00:32:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 209 transitions. [2023-11-29 00:32:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 00:32:02,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:02,791 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:02,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 00:32:02,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-29 00:32:02,999 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:32:02,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:02,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1008364479, now seen corresponding path program 2 times [2023-11-29 00:32:02,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:03,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358795830] [2023-11-29 00:32:03,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:03,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:32:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:32:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:03,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:32:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:32:03,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:03,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358795830] [2023-11-29 00:32:03,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358795830] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:32:03,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555807996] [2023-11-29 00:32:03,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:32:03,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:32:03,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:32:03,446 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:32:03,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 00:32:03,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:32:03,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:32:03,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 00:32:03,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:32:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:32:03,924 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:32:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:32:04,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555807996] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:32:04,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:32:04,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 23] total 48 [2023-11-29 00:32:04,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527347426] [2023-11-29 00:32:04,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:32:04,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-11-29 00:32:04,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:04,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-11-29 00:32:04,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=1847, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 00:32:04,367 INFO L87 Difference]: Start difference. First operand 185 states and 209 transitions. Second operand has 49 states, 48 states have (on average 2.7916666666666665) internal successors, (134), 48 states have internal predecessors, (134), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:32:04,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:04,933 INFO L93 Difference]: Finished difference Result 322 states and 355 transitions. [2023-11-29 00:32:04,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-29 00:32:04,934 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 2.7916666666666665) internal successors, (134), 48 states have internal predecessors, (134), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 84 [2023-11-29 00:32:04,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:04,936 INFO L225 Difference]: With dead ends: 322 [2023-11-29 00:32:04,936 INFO L226 Difference]: Without dead ends: 321 [2023-11-29 00:32:04,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1186, Invalid=3926, Unknown=0, NotChecked=0, Total=5112 [2023-11-29 00:32:04,938 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 134 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:04,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 462 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:32:04,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-11-29 00:32:04,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 243. [2023-11-29 00:32:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 236 states have (on average 1.1059322033898304) internal successors, (261), 238 states have internal predecessors, (261), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:32:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 267 transitions. [2023-11-29 00:32:04,953 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 267 transitions. Word has length 84 [2023-11-29 00:32:04,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:04,953 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 267 transitions. [2023-11-29 00:32:04,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 2.7916666666666665) internal successors, (134), 48 states have internal predecessors, (134), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:32:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 267 transitions. [2023-11-29 00:32:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 00:32:04,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:04,954 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:04,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 00:32:05,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 00:32:05,155 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:32:05,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:05,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1672514463, now seen corresponding path program 4 times [2023-11-29 00:32:05,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:05,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557342449] [2023-11-29 00:32:05,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:05,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:05,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:32:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:32:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:32:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-29 00:32:05,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:05,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557342449] [2023-11-29 00:32:05,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557342449] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:32:05,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591946037] [2023-11-29 00:32:05,365 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 00:32:05,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:32:05,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:32:05,366 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:32:05,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 00:32:07,003 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 00:32:07,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:32:07,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 00:32:07,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:32:07,293 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 00:32:07,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:32:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 00:32:07,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591946037] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:32:07,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:32:07,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 23, 23] total 51 [2023-11-29 00:32:07,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255864358] [2023-11-29 00:32:07,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:32:07,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-29 00:32:07,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:07,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-29 00:32:07,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=2125, Unknown=0, NotChecked=0, Total=2550 [2023-11-29 00:32:07,730 INFO L87 Difference]: Start difference. First operand 243 states and 267 transitions. Second operand has 51 states, 51 states have (on average 3.2745098039215685) internal successors, (167), 50 states have internal predecessors, (167), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-29 00:32:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:08,426 INFO L93 Difference]: Finished difference Result 342 states and 366 transitions. [2023-11-29 00:32:08,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 00:32:08,427 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.2745098039215685) internal successors, (167), 50 states have internal predecessors, (167), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 87 [2023-11-29 00:32:08,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:08,428 INFO L225 Difference]: With dead ends: 342 [2023-11-29 00:32:08,428 INFO L226 Difference]: Without dead ends: 131 [2023-11-29 00:32:08,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1461 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1185, Invalid=5457, Unknown=0, NotChecked=0, Total=6642 [2023-11-29 00:32:08,432 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 174 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:08,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 492 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:32:08,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-29 00:32:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-11-29 00:32:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 126 states have (on average 1.0317460317460319) internal successors, (130), 126 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:32:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 136 transitions. [2023-11-29 00:32:08,450 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 136 transitions. Word has length 87 [2023-11-29 00:32:08,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:08,451 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 136 transitions. [2023-11-29 00:32:08,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.2745098039215685) internal successors, (167), 50 states have internal predecessors, (167), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-29 00:32:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2023-11-29 00:32:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 00:32:08,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:08,452 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 18, 18, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:08,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 00:32:08,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 00:32:08,653 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:32:08,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:08,653 INFO L85 PathProgramCache]: Analyzing trace with hash -461495391, now seen corresponding path program 3 times [2023-11-29 00:32:08,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:08,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002652401] [2023-11-29 00:32:08,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:08,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:32:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:32:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:32:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:32:09,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:09,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002652401] [2023-11-29 00:32:09,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002652401] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:32:09,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824806119] [2023-11-29 00:32:09,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 00:32:09,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:32:09,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:32:09,821 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:32:09,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 00:32:11,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-29 00:32:11,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:32:11,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 147 conjunts are in the unsatisfiable core [2023-11-29 00:32:11,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:32:11,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 00:32:12,187 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 00:32:12,187 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 00:32:12,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 00:32:12,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 00:32:12,359 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 00:32:12,359 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 50 [2023-11-29 00:32:12,366 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 24 treesize of output 11 [2023-11-29 00:32:12,612 INFO L349 Elim1Store]: treesize reduction 33, result has 25.0 percent of original size [2023-11-29 00:32:12,613 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 180 treesize of output 85 [2023-11-29 00:32:12,620 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 79 treesize of output 41 [2023-11-29 00:32:12,884 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-29 00:32:12,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 34 [2023-11-29 00:32:12,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 00:32:12,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 10 [2023-11-29 00:32:13,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:32:13,203 INFO L349 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2023-11-29 00:32:13,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 62 [2023-11-29 00:32:13,235 INFO L349 Elim1Store]: treesize reduction 48, result has 47.3 percent of original size [2023-11-29 00:32:13,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 58 [2023-11-29 00:32:13,290 INFO L349 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2023-11-29 00:32:13,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2023-11-29 00:32:14,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 62 [2023-11-29 00:32:14,135 INFO L349 Elim1Store]: treesize reduction 162, result has 19.0 percent of original size [2023-11-29 00:32:14,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 323 treesize of output 119 [2023-11-29 00:32:14,157 WARN L200 Elim1Store]: Array PQE input equivalent to false [2023-11-29 00:32:15,138 INFO L349 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2023-11-29 00:32:15,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 135 treesize of output 61 [2023-11-29 00:32:15,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 13 [2023-11-29 00:32:15,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2023-11-29 00:32:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 94 proven. 6 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2023-11-29 00:32:15,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:34:39,190 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse21 (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base|))) (let ((.cse13 (+ |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset| 4)) (.cse7 (select .cse21 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.offset|)) (.cse22 (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base|))) (let ((.cse11 (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base| (store .cse22 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.offset| |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset|))) (.cse14 (select .cse22 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.offset|)) (.cse6 (let ((.cse20 (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base| (store .cse21 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.offset| |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base|)))) (store .cse20 |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base| (store (store (select .cse20 |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base|) .cse13 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base|) |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset| .cse7))))) (let ((.cse4 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse5 (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse8 (select .cse6 .cse7)) (.cse9 (+ .cse14 4)) (.cse12 (select .cse11 |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base|))) (and (forall ((v_ArrVal_5514 Int) (v_ArrVal_5512 Int) (v_ArrVal_5510 Int)) (= (let ((.cse3 (let ((.cse10 (store .cse11 |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base| (store (store .cse12 .cse13 v_ArrVal_5510) |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset| .cse14)))) (store .cse10 .cse7 (store (select .cse10 .cse7) .cse9 v_ArrVal_5512)))) (.cse0 (store .cse6 .cse7 (store .cse8 .cse9 v_ArrVal_5514)))) (let ((.cse1 (select (select .cse0 .cse4) .cse5)) (.cse2 (select (select .cse3 .cse4) .cse5))) (select (select .cse0 (select (select .cse0 .cse1) .cse2)) (select (select .cse3 .cse1) .cse2)))) .cse4)) (forall ((v_ArrVal_5514 Int) (v_ArrVal_5512 Int) (v_ArrVal_5510 Int)) (= .cse5 (let ((.cse15 (let ((.cse19 (store .cse11 |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base| (store (store .cse12 .cse13 v_ArrVal_5510) |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset| .cse14)))) (store .cse19 .cse7 (store (select .cse19 .cse7) .cse9 v_ArrVal_5512)))) (.cse16 (store .cse6 .cse7 (store .cse8 .cse9 v_ArrVal_5514)))) (let ((.cse17 (select (select .cse16 .cse4) .cse5)) (.cse18 (select (select .cse15 .cse4) .cse5))) (select (select .cse15 (select (select .cse16 .cse17) .cse18)) (select (select .cse15 .cse17) .cse18))))))))))) is different from false [2023-11-29 00:36:31,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824806119] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:36:31,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:36:31,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 28] total 71 [2023-11-29 00:36:31,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664862432] [2023-11-29 00:36:31,919 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:36:31,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-11-29 00:36:31,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:36:31,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-11-29 00:36:31,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=580, Invalid=5718, Unknown=26, NotChecked=156, Total=6480 [2023-11-29 00:36:31,923 INFO L87 Difference]: Start difference. First operand 131 states and 136 transitions. Second operand has 71 states, 66 states have (on average 2.5606060606060606) internal successors, (169), 65 states have internal predecessors, (169), 4 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 00:36:44,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:36:44,309 INFO L93 Difference]: Finished difference Result 245 states and 250 transitions. [2023-11-29 00:36:44,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-11-29 00:36:44,309 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 66 states have (on average 2.5606060606060606) internal successors, (169), 65 states have internal predecessors, (169), 4 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 134 [2023-11-29 00:36:44,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:36:44,310 INFO L225 Difference]: With dead ends: 245 [2023-11-29 00:36:44,310 INFO L226 Difference]: Without dead ends: 140 [2023-11-29 00:36:44,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4464 ImplicationChecksByTransitivity, 269.2s TimeCoverageRelationStatistics Valid=2407, Invalid=16476, Unknown=27, NotChecked=272, Total=19182 [2023-11-29 00:36:44,313 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 248 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:36:44,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 406 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 00:36:44,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-29 00:36:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2023-11-29 00:36:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 133 states have (on average 1.0225563909774436) internal successors, (136), 133 states have internal predecessors, (136), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 00:36:44,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 142 transitions. [2023-11-29 00:36:44,332 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 142 transitions. Word has length 134 [2023-11-29 00:36:44,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:36:44,332 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 142 transitions. [2023-11-29 00:36:44,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 66 states have (on average 2.5606060606060606) internal successors, (169), 65 states have internal predecessors, (169), 4 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 00:36:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 142 transitions. [2023-11-29 00:36:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 00:36:44,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:36:44,334 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 19, 19, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:36:44,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 00:36:44,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-29 00:36:44,535 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-29 00:36:44,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:36:44,536 INFO L85 PathProgramCache]: Analyzing trace with hash -265966640, now seen corresponding path program 1 times [2023-11-29 00:36:44,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:36:44,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494636823] [2023-11-29 00:36:44,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:36:44,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:36:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:36:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:36:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:36:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:36:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:36:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:36:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:36:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2023-11-29 00:36:44,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:36:44,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494636823] [2023-11-29 00:36:44,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494636823] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:36:44,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410185649] [2023-11-29 00:36:44,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:36:44,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:36:44,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:36:44,966 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:36:44,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 00:36:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:36:45,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-29 00:36:45,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:36:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:36:46,564 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:36:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 00:36:48,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410185649] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:36:48,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:36:48,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 45, 45] total 100 [2023-11-29 00:36:48,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787891618] [2023-11-29 00:36:48,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:36:48,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2023-11-29 00:36:48,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:36:48,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2023-11-29 00:36:48,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1926, Invalid=7974, Unknown=0, NotChecked=0, Total=9900 [2023-11-29 00:36:48,388 INFO L87 Difference]: Start difference. First operand 139 states and 142 transitions. Second operand has 100 states, 99 states have (on average 2.787878787878788) internal successors, (276), 98 states have internal predecessors, (276), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 00:36:48,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:36:48,687 INFO L93 Difference]: Finished difference Result 139 states and 142 transitions. [2023-11-29 00:36:48,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:36:48,687 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 99 states have (on average 2.787878787878788) internal successors, (276), 98 states have internal predecessors, (276), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-11-29 00:36:48,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:36:48,687 INFO L225 Difference]: With dead ends: 139 [2023-11-29 00:36:48,688 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 00:36:48,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2582 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1944, Invalid=8768, Unknown=0, NotChecked=0, Total=10712 [2023-11-29 00:36:48,690 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:36:48,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 330 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:36:48,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 00:36:48,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 00:36:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:36:48,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 00:36:48,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2023-11-29 00:36:48,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:36:48,691 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 00:36:48,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 99 states have (on average 2.787878787878788) internal successors, (276), 98 states have internal predecessors, (276), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 00:36:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 00:36:48,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 00:36:48,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2023-11-29 00:36:48,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2023-11-29 00:36:48,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2023-11-29 00:36:48,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2023-11-29 00:36:48,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2023-11-29 00:36:48,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2023-11-29 00:36:48,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2023-11-29 00:36:48,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2023-11-29 00:36:48,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2023-11-29 00:36:48,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2023-11-29 00:36:48,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2023-11-29 00:36:48,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2023-11-29 00:36:48,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2023-11-29 00:36:48,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2023-11-29 00:36:48,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 00:36:48,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:36:48,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 00:36:49,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 644) no Hoare annotation was computed. [2023-11-29 00:36:49,607 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 657) no Hoare annotation was computed. [2023-11-29 00:36:49,608 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= 2 |ULTIMATE.start_dll_circular_create_~len#1|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) [2023-11-29 00:36:49,608 INFO L899 garLoopResultBuilder]: For program point L589-1(line 589) no Hoare annotation was computed. [2023-11-29 00:36:49,608 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 639 674) no Hoare annotation was computed. [2023-11-29 00:36:49,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 653) no Hoare annotation was computed. [2023-11-29 00:36:49,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 595) no Hoare annotation was computed. [2023-11-29 00:36:49,608 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-11-29 00:36:49,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2023-11-29 00:36:49,608 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-11-29 00:36:49,608 INFO L899 garLoopResultBuilder]: For program point L648-2(lines 648 654) no Hoare annotation was computed. [2023-11-29 00:36:49,608 INFO L895 garLoopResultBuilder]: At program point L648-4(lines 648 654) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$#1.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse3 (select |#memory_$Pointer$#2.base| .cse2))) (let ((.cse1 (select .cse3 0))) (let ((.cse5 (select |#memory_$Pointer$#2.base| .cse1))) (let ((.cse0 (select |#memory_$Pointer$#2.offset| .cse2)) (.cse4 (select .cse5 0))) (and (= (select (select |#memory_$Pointer$#1.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (= |ULTIMATE.start_main_~mid_index~0#1| 1) (= (select .cse0 0) 0) (= (select (select |#memory_$Pointer$#2.offset| .cse1) 0) 0) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~count~0#1| 0) (not (= .cse2 .cse1)) (= (select .cse3 4) .cse4) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (= (select (select |#memory_$Pointer$#2.offset| .cse4) 0) 0) (= (select .cse0 4) 0) (= .cse2 |ULTIMATE.start_main_~ptr~0#1.base|) (= .cse2 (select (select |#memory_$Pointer$#2.base| .cse4) 0)) (= .cse2 (select .cse5 4)))))))) [2023-11-29 00:36:49,609 INFO L899 garLoopResultBuilder]: For program point L648-5(lines 648 654) no Hoare annotation was computed. [2023-11-29 00:36:49,609 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 595) no Hoare annotation was computed. [2023-11-29 00:36:49,609 INFO L899 garLoopResultBuilder]: For program point L665(line 665) no Hoare annotation was computed. [2023-11-29 00:36:49,609 INFO L899 garLoopResultBuilder]: For program point L665-1(line 665) no Hoare annotation was computed. [2023-11-29 00:36:49,609 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 593) no Hoare annotation was computed. [2023-11-29 00:36:49,609 INFO L899 garLoopResultBuilder]: For program point L591-2(lines 591 593) no Hoare annotation was computed. [2023-11-29 00:36:49,609 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2023-11-29 00:36:49,609 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:36:49,609 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 651) no Hoare annotation was computed. [2023-11-29 00:36:49,609 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 620) the Hoare annotation is: (let ((.cse18 (select (select |#memory_$Pointer$#1.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse23 (select |#memory_$Pointer$#2.base| .cse18))) (let ((.cse20 (select .cse23 0)) (.cse21 (select |#memory_$Pointer$#2.offset| .cse18)) (.cse22 (select .cse23 4))) (let ((.cse0 (= (select (select |#memory_$Pointer$#1.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0)) (.cse1 (= |ULTIMATE.start_dll_circular_insert_~head#1.offset| 0)) (.cse2 (not (= .cse22 |ULTIMATE.start_dll_circular_insert_~new_node~0#1.base|))) (.cse3 (not (= .cse18 .cse22))) (.cse4 (= (select .cse21 0) 0)) (.cse5 (= .cse22 .cse20)) (.cse6 (not (= .cse18 |ULTIMATE.start_dll_circular_insert_~new_node~0#1.base|))) (.cse7 (= (select |#valid| .cse18) 1)) (.cse8 (= |ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.offset| 0)) (.cse9 (= |ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset| 0)) (.cse10 (= .cse18 (select (select |#memory_$Pointer$#2.base| .cse22) 0))) (.cse11 (= (select (select |#memory_$Pointer$#2.offset| .cse22) 0) 0)) (.cse12 (= |ULTIMATE.start_dll_circular_insert_~last~1#1.offset| 0)) (.cse13 (= 1 (select |#valid| .cse22))) (.cse14 (= |ULTIMATE.start_main_~#s~0#1.offset| 0)) (.cse15 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse16 (= (select .cse21 4) 0)) (.cse17 (= |ULTIMATE.start_dll_circular_insert_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (.cse19 (not (= .cse18 0)))) (or (and .cse0 (= |ULTIMATE.start_main_~mid_index~0#1| 1) .cse1 (= |ULTIMATE.start_dll_circular_insert_~index#1| 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= |ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.base| 0) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (= .cse18 |ULTIMATE.start_dll_circular_insert_~last~1#1.base|) .cse19) (and .cse0 (= .cse18 |ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.base|) .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_dll_circular_insert_~index#1| 0) .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~mid_index~0#1|) (<= |ULTIMATE.start_main_~mid_index~0#1| (+ |ULTIMATE.start_dll_circular_insert_~index#1| 1)) (= .cse20 |ULTIMATE.start_dll_circular_insert_~last~1#1.base|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse19)))))) [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 612 638) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 665) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point L667(line 667) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point L667-1(lines 667 669) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 611) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point L659(line 659) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point L659-1(line 659) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 665) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 619) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 610) no Hoare annotation was computed. [2023-11-29 00:36:49,610 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 635) no Hoare annotation was computed. [2023-11-29 00:36:49,611 INFO L899 garLoopResultBuilder]: For program point L660-2(lines 660 666) no Hoare annotation was computed. [2023-11-29 00:36:49,611 INFO L899 garLoopResultBuilder]: For program point L627-2(lines 627 635) no Hoare annotation was computed. [2023-11-29 00:36:49,611 INFO L895 garLoopResultBuilder]: At program point L660-4(lines 660 666) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$#1.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse3 (select |#memory_$Pointer$#2.base| .cse2))) (let ((.cse1 (select .cse3 0))) (let ((.cse5 (select |#memory_$Pointer$#2.base| .cse1))) (let ((.cse0 (select |#memory_$Pointer$#2.offset| .cse2)) (.cse4 (select .cse5 0))) (and (= (select (select |#memory_$Pointer$#1.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (= (select .cse0 0) 0) (= (select (select |#memory_$Pointer$#2.offset| .cse1) 0) 0) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (not (= .cse2 .cse1)) (= (select .cse3 4) .cse4) (= |ULTIMATE.start_main_~ptr~0#1.base| .cse4) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (= (select (select |#memory_$Pointer$#2.offset| .cse4) 0) 0) (= 2 |ULTIMATE.start_main_~count~0#1|) (= (select .cse0 4) 0) (= .cse2 (select (select |#memory_$Pointer$#2.base| .cse4) 0)) (= .cse2 (select .cse5 4)))))))) [2023-11-29 00:36:49,611 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2023-11-29 00:36:49,611 INFO L899 garLoopResultBuilder]: For program point L660-5(lines 660 666) no Hoare annotation was computed. [2023-11-29 00:36:49,611 INFO L899 garLoopResultBuilder]: For program point L619(line 619) no Hoare annotation was computed. [2023-11-29 00:36:49,611 INFO L895 garLoopResultBuilder]: At program point L586(line 586) the Hoare annotation is: (and (= 2 |ULTIMATE.start_dll_circular_create_~len#1|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2)) [2023-11-29 00:36:49,611 INFO L899 garLoopResultBuilder]: For program point L619-1(line 619) no Hoare annotation was computed. [2023-11-29 00:36:49,611 INFO L899 garLoopResultBuilder]: For program point L586-1(line 586) no Hoare annotation was computed. [2023-11-29 00:36:49,611 INFO L899 garLoopResultBuilder]: For program point L644(line 644) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point L644-1(line 644) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 619) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point L661(lines 661 663) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point L595-1(line 595) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point L653(line 653) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point L653-1(line 653) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point L612(lines 612 638) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 644) no Hoare annotation was computed. [2023-11-29 00:36:49,612 INFO L902 garLoopResultBuilder]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2023-11-29 00:36:49,613 INFO L899 garLoopResultBuilder]: For program point L604-3(lines 604 608) no Hoare annotation was computed. [2023-11-29 00:36:49,613 INFO L899 garLoopResultBuilder]: For program point main_ERROR#1(lines 639 674) no Hoare annotation was computed. [2023-11-29 00:36:49,613 INFO L895 garLoopResultBuilder]: At program point L588-2(lines 588 596) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0)) (.cse1 (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)) (.cse2 (= |ULTIMATE.start_main_~#s~0#1.offset| 0)) (.cse3 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse4 (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_dll_circular_create_~len#1|) .cse2 .cse3 .cse4 (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (let ((.cse5 (select (select |#memory_$Pointer$#2.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 0))) (and .cse0 (= (select |#valid| .cse5) 1) .cse1 (not (= .cse5 |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) .cse2 .cse3 .cse4 (= (select (select |#memory_$Pointer$#2.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 0) 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| 0)) (= .cse5 |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (<= |ULTIMATE.start_dll_circular_create_~len#1| 1))))) [2023-11-29 00:36:49,613 INFO L899 garLoopResultBuilder]: For program point L588-3(lines 588 596) no Hoare annotation was computed. [2023-11-29 00:36:49,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 653) no Hoare annotation was computed. [2023-11-29 00:36:49,613 INFO L895 garLoopResultBuilder]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$#1.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse3 (select |#memory_$Pointer$#2.base| .cse0))) (let ((.cse1 (select .cse3 4)) (.cse2 (select |#memory_$Pointer$#2.offset| .cse0))) (and (= (select (select |#memory_$Pointer$#1.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (= |ULTIMATE.start_main_~mid_index~0#1| 1) (= |ULTIMATE.start_dll_circular_insert_~head#1.offset| 0) (not (= .cse0 .cse1)) (= (select .cse2 0) 0) (= .cse1 (select .cse3 0)) (= (select |#valid| .cse0) 1) (= |ULTIMATE.start_dll_circular_insert_~index#1| |ULTIMATE.start_main_~mid_index~0#1|) (= .cse0 (select (select |#memory_$Pointer$#2.base| .cse1) 0)) (= (select (select |#memory_$Pointer$#2.offset| .cse1) 0) 0) (= 1 (select |#valid| .cse1)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (= (select .cse2 4) 0) (= |ULTIMATE.start_dll_circular_insert_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= .cse0 0)))))) [2023-11-29 00:36:49,613 INFO L899 garLoopResultBuilder]: For program point L613-1(line 613) no Hoare annotation was computed. [2023-11-29 00:36:49,613 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 579) no Hoare annotation was computed. [2023-11-29 00:36:49,614 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-11-29 00:36:49,614 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 575 584) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) (= |#memory_int#2| |old(#memory_int#2)|) (= |#memory_$Pointer$#2.offset| |old(#memory_$Pointer$#2.offset)|) (= |old(#valid)| |#valid|)) [2023-11-29 00:36:49,614 INFO L899 garLoopResultBuilder]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2023-11-29 00:36:49,616 INFO L445 BasicCegarLoop]: Path program histogram: [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:36:49,618 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:36:49,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.offset[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mid_index~0 [2023-11-29 00:36:49,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 00:36:49,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated [2023-11-29 00:36:49,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated [2023-11-29 00:36:49,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#1.base[~#s~0!base][0]] could not be translated [2023-11-29 00:36:49,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]][0] could not be translated [2023-11-29 00:36:49,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]][0] could not be translated [2023-11-29 00:36:49,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]] could not be translated [2023-11-29 00:36:49,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-29 00:36:49,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 00:36:49,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#s~0 [2023-11-29 00:36:49,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.offset[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 00:36:49,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated [2023-11-29 00:36:49,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated [2023-11-29 00:36:49,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mid_index~0 [2023-11-29 00:36:49,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mid_index~0 [2023-11-29 00:36:49,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated [2023-11-29 00:36:49,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#1.base[~#s~0!base][0]] could not be translated [2023-11-29 00:36:49,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]][0] could not be translated [2023-11-29 00:36:49,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]][0] could not be translated [2023-11-29 00:36:49,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]] could not be translated [2023-11-29 00:36:49,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-29 00:36:49,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 00:36:49,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#s~0 [2023-11-29 00:36:49,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.offset[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated [2023-11-29 00:36:49,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated [2023-11-29 00:36:49,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated [2023-11-29 00:36:49,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated [2023-11-29 00:36:49,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated [2023-11-29 00:36:49,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0]][0] could not be translated [2023-11-29 00:36:49,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0]][0] could not be translated [2023-11-29 00:36:49,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][4] could not be translated [2023-11-29 00:36:49,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.offset[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated [2023-11-29 00:36:49,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated [2023-11-29 00:36:49,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated [2023-11-29 00:36:49,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated [2023-11-29 00:36:49,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0]][0] could not be translated [2023-11-29 00:36:49,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated [2023-11-29 00:36:49,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0]][0] could not be translated [2023-11-29 00:36:49,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated [2023-11-29 00:36:49,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][4] could not be translated [2023-11-29 00:36:49,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-29 00:36:49,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#2.base[~head~0!base][0]] could not be translated [2023-11-29 00:36:49,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-29 00:36:49,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[~head~0!base][0] could not be translated [2023-11-29 00:36:49,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[~head~0!base][0] could not be translated [2023-11-29 00:36:49,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[~head~0!base][0] could not be translated [2023-11-29 00:36:49,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:36:49 BoogieIcfgContainer [2023-11-29 00:36:49,645 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:36:49,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:36:49,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:36:49,646 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:36:49,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:31:38" (3/4) ... [2023-11-29 00:36:49,648 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:36:49,651 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2023-11-29 00:36:49,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 00:36:49,657 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 00:36:49,657 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 00:36:49,658 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:36:49,757 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:36:49,757 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:36:49,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:36:49,758 INFO L158 Benchmark]: Toolchain (without parser) took 311967.52ms. Allocated memory was 151.0MB in the beginning and 337.6MB in the end (delta: 186.6MB). Free memory was 111.8MB in the beginning and 239.6MB in the end (delta: -127.7MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2023-11-29 00:36:49,758 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:36:49,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.70ms. Allocated memory is still 151.0MB. Free memory was 111.5MB in the beginning and 93.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 00:36:49,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.46ms. Allocated memory is still 151.0MB. Free memory was 93.0MB in the beginning and 90.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:36:49,759 INFO L158 Benchmark]: Boogie Preprocessor took 62.41ms. Allocated memory is still 151.0MB. Free memory was 90.5MB in the beginning and 86.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:36:49,760 INFO L158 Benchmark]: RCFGBuilder took 558.36ms. Allocated memory is still 151.0MB. Free memory was 86.7MB in the beginning and 112.4MB in the end (delta: -25.7MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-29 00:36:49,760 INFO L158 Benchmark]: TraceAbstraction took 310752.55ms. Allocated memory was 151.0MB in the beginning and 337.6MB in the end (delta: 186.6MB). Free memory was 112.4MB in the beginning and 246.9MB in the end (delta: -134.5MB). Peak memory consumption was 197.6MB. Max. memory is 16.1GB. [2023-11-29 00:36:49,760 INFO L158 Benchmark]: Witness Printer took 111.71ms. Allocated memory is still 337.6MB. Free memory was 245.8MB in the beginning and 239.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 00:36:49,762 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.70ms. Allocated memory is still 151.0MB. Free memory was 111.5MB in the beginning and 93.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.46ms. Allocated memory is still 151.0MB. Free memory was 93.0MB in the beginning and 90.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.41ms. Allocated memory is still 151.0MB. Free memory was 90.5MB in the beginning and 86.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 558.36ms. Allocated memory is still 151.0MB. Free memory was 86.7MB in the beginning and 112.4MB in the end (delta: -25.7MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 310752.55ms. Allocated memory was 151.0MB in the beginning and 337.6MB in the end (delta: 186.6MB). Free memory was 112.4MB in the beginning and 246.9MB in the end (delta: -134.5MB). Peak memory consumption was 197.6MB. Max. memory is 16.1GB. * Witness Printer took 111.71ms. Allocated memory is still 337.6MB. Free memory was 245.8MB in the beginning and 239.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.offset[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mid_index~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#1.base[~#s~0!base][0]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.offset[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mid_index~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mid_index~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#1.base[~#s~0!base][0]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.offset[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.offset[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[#memory_$Pointer$#1.base[~#s~0!base][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][0]][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#1.base[~#s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[#memory_$Pointer$#2.base[#memory_$Pointer$#1.base[~#s~0!base][0]][0]][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[#memory_$Pointer$#2.base[~head~0!base][0]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[~head~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.offset[~head~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$#2.base[~head~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 644]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 644]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 665]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 665]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 310.7s, OverallIterations: 30, TraceHistogramMax: 20, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2127 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2125 mSDsluCounter, 8645 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7470 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5753 IncrementalHoareTripleChecker+Invalid, 5823 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 1175 mSDtfsCounter, 5753 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2980 GetRequests, 2045 SyntacticMatches, 0 SemanticMatches, 935 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14786 ImplicationChecksByTransitivity, 279.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=27, InterpolantAutomatonStates: 596, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 30 MinimizatonAttempts, 562 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 14 PreInvPairs, 23 NumberOfFragments, 1004 HoareAnnotationTreeSize, 14 FomulaSimplifications, 2931 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 77 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 274.3s InterpolantComputationTime, 2778 NumberOfCodeBlocks, 2708 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 3633 ConstructedInterpolants, 23 QuantifiedInterpolants, 12199 SizeOfPredicates, 140 NumberOfNonLiveVariables, 9410 ConjunctsInSsa, 393 ConjunctsInUnsatCore, 61 InterpolantComputations, 16 PerfectInterpolantSequences, 2682/7388 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((index == 1) || (index <= 0)) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((len == 2) && (2 == count)) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((mid_index == 1) && (count == 0)) && (len == 2)) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: (((2 == len) && (len == 2)) || ((len == 2) && (len <= 1))) RESULT: Ultimate proved your program to be correct! [2023-11-29 00:36:49,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71afae3-90a0-4346-a5d2-e95ca8a43577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE