./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 4fc63b2a 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_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:00:36,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:00:36,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:00:36,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:00:36,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:00:36,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:00:36,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:00:36,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:00:36,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:00:36,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:00:36,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:00:36,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:00:36,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:00:36,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:00:36,402 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:00:36,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:00:36,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:00:36,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:00:36,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:00:36,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:00:36,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:00:36,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:00:36,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:00:36,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:00:36,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:00:36,411 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:00:36,411 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:00:36,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:00:36,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:00:36,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:00:36,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:00:36,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:00:36,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:00:36,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:00:36,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:36,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:00:36,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:00:36,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:00:36,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:00:36,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:00:36,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:00:36,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:00:36,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:00:36,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:00:36,418 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_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8 [2024-10-31 22:00:36,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:00:36,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:00:36,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:00:36,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:00:36,779 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:00:36,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i Unable to find full path for "g++" [2024-10-31 22:00:38,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:00:39,119 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:00:39,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/sv-benchmarks/c/list-simple/dll2c_insert_unequal.i [2024-10-31 22:00:39,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/data/1efd87c84/35a5c09729b445ceaa37a973231b6c64/FLAGd06cda9da [2024-10-31 22:00:39,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/data/1efd87c84/35a5c09729b445ceaa37a973231b6c64 [2024-10-31 22:00:39,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:00:39,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:00:39,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:39,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:00:39,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:00:39,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160cb08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39, skipping insertion in model container [2024-10-31 22:00:39,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:00:39,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:39,751 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:00:39,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:39,887 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:00:39,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39 WrapperNode [2024-10-31 22:00:39,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:39,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:39,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:00:39,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:00:39,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,977 INFO L138 Inliner]: procedures = 127, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 203 [2024-10-31 22:00:39,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:39,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:00:39,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:00:39,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:00:39,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:40,000 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:40,051 INFO L175 MemorySlicer]: Split 40 memory accesses to 3 slices as follows [2, 26, 12]. 65 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 18 writes are split as follows [0, 17, 1]. [2024-10-31 22:00:40,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:40,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:40,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:40,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:40,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:40,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:40,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:00:40,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:00:40,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:00:40,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:00:40,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:40,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:40,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:40,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:40,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:00:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:00:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:00:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:00:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:00:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:00:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:00:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2024-10-31 22:00:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2024-10-31 22:00:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:00:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:00:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:00:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:00:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:00:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:00:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:00:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:00:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:00:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:00:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:00:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:00:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:00:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:00:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:00:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:00:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:00:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:00:40,379 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:00:40,381 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:00:40,801 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-10-31 22:00:40,801 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:00:40,819 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:00:40,823 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-31 22:00:40,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:40 BoogieIcfgContainer [2024-10-31 22:00:40,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:00:40,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:00:40,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:00:40,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:00:40,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:00:39" (1/3) ... [2024-10-31 22:00:40,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30963af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:40, skipping insertion in model container [2024-10-31 22:00:40,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (2/3) ... [2024-10-31 22:00:40,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30963af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:40, skipping insertion in model container [2024-10-31 22:00:40,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:40" (3/3) ... [2024-10-31 22:00:40,834 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_insert_unequal.i [2024-10-31 22:00:40,849 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:00:40,849 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-31 22:00:40,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:00:40,925 INFO L333 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, 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;@3778ff4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:00:40,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-31 22:00:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 54 states have (on average 1.6296296296296295) internal successors, (88), 68 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) [2024-10-31 22:00:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:00:40,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:40,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:40,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:40,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:40,945 INFO L85 PathProgramCache]: Analyzing trace with hash -580514597, now seen corresponding path program 1 times [2024-10-31 22:00:40,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:40,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532471157] [2024-10-31 22:00:40,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:40,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:41,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:41,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532471157] [2024-10-31 22:00:41,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532471157] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:41,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:41,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:00:41,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144965486] [2024-10-31 22:00:41,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:41,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:00:41,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:41,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:00:41,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:00:41,520 INFO L87 Difference]: Start difference. First operand has 73 states, 54 states have (on average 1.6296296296296295) internal successors, (88), 68 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) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:00:41,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:41,716 INFO L93 Difference]: Finished difference Result 137 states and 178 transitions. [2024-10-31 22:00:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:00:41,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-10-31 22:00:41,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:41,732 INFO L225 Difference]: With dead ends: 137 [2024-10-31 22:00:41,732 INFO L226 Difference]: Without dead ends: 66 [2024-10-31 22:00:41,737 INFO L431 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 [2024-10-31 22:00:41,745 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 4 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:41,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 220 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:41,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-31 22:00:41,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2024-10-31 22:00:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 57 states have internal predecessors, (64), 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) [2024-10-31 22:00:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2024-10-31 22:00:41,812 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 13 [2024-10-31 22:00:41,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:41,813 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2024-10-31 22:00:41,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:00:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-10-31 22:00:41,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-31 22:00:41,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:41,819 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:41,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:00:41,820 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:41,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:41,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1413448804, now seen corresponding path program 1 times [2024-10-31 22:00:41,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:41,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541229984] [2024-10-31 22:00:41,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:42,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 22:00:42,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:42,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541229984] [2024-10-31 22:00:42,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541229984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:42,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:42,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:00:42,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833116087] [2024-10-31 22:00:42,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:42,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:00:42,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:42,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:00:42,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:00:42,236 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-10-31 22:00:42,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:42,399 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2024-10-31 22:00:42,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:00:42,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 20 [2024-10-31 22:00:42,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:42,404 INFO L225 Difference]: With dead ends: 70 [2024-10-31 22:00:42,404 INFO L226 Difference]: Without dead ends: 68 [2024-10-31 22:00:42,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:00:42,408 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 2 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:42,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 228 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:42,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-31 22:00:42,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-10-31 22:00:42,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 62 states have internal predecessors, (70), 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) [2024-10-31 22:00:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2024-10-31 22:00:42,427 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 20 [2024-10-31 22:00:42,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:42,428 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2024-10-31 22:00:42,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-10-31 22:00:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2024-10-31 22:00:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-31 22:00:42,433 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:42,434 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:42,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:00:42,435 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:42,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:42,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1755335305, now seen corresponding path program 1 times [2024-10-31 22:00:42,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:42,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203441926] [2024-10-31 22:00:42,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:42,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:42,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:42,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-31 22:00:42,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:42,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203441926] [2024-10-31 22:00:42,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203441926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:42,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:42,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:00:42,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304058289] [2024-10-31 22:00:42,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:42,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:00:42,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:42,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:00:42,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:00:42,665 INFO L87 Difference]: Start difference. First operand 68 states and 78 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, (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) [2024-10-31 22:00:42,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:42,760 INFO L93 Difference]: Finished difference Result 68 states and 78 transitions. [2024-10-31 22:00:42,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:00:42,761 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, (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 25 [2024-10-31 22:00:42,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:42,763 INFO L225 Difference]: With dead ends: 68 [2024-10-31 22:00:42,763 INFO L226 Difference]: Without dead ends: 62 [2024-10-31 22:00:42,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:00:42,764 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 43 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:42,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 110 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:42,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-31 22:00:42,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-31 22:00:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.3617021276595744) 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) [2024-10-31 22:00:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2024-10-31 22:00:42,780 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 25 [2024-10-31 22:00:42,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:42,781 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2024-10-31 22:00:42,781 INFO L472 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, (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) [2024-10-31 22:00:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2024-10-31 22:00:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-31 22:00:42,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:42,782 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:42,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:00:42,785 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:42,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:42,785 INFO L85 PathProgramCache]: Analyzing trace with hash -696047882, now seen corresponding path program 1 times [2024-10-31 22:00:42,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:42,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773154555] [2024-10-31 22:00:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:42,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:43,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:43,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:43,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:00:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:43,116 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 22:00:43,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:43,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773154555] [2024-10-31 22:00:43,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773154555] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:43,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778759197] [2024-10-31 22:00:43,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:43,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:43,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:43,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:43,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:00:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:43,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:00:43,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 22:00:43,497 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:00:43,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778759197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:43,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:00:43,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-10-31 22:00:43,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760486934] [2024-10-31 22:00:43,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:43,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:00:43,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:43,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:00:43,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:00:43,506 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-10-31 22:00:43,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:43,561 INFO L93 Difference]: Finished difference Result 105 states and 120 transitions. [2024-10-31 22:00:43,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:00:43,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 32 [2024-10-31 22:00:43,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:43,565 INFO L225 Difference]: With dead ends: 105 [2024-10-31 22:00:43,565 INFO L226 Difference]: Without dead ends: 54 [2024-10-31 22:00:43,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:00:43,566 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:43,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 210 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:00:43,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-31 22:00:43,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-31 22:00:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 49 states have internal predecessors, (55), 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) [2024-10-31 22:00:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2024-10-31 22:00:43,585 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 32 [2024-10-31 22:00:43,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:43,586 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2024-10-31 22:00:43,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-10-31 22:00:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2024-10-31 22:00:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-31 22:00:43,588 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:43,588 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-10-31 22:00:43,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:00:43,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:43,790 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:43,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:43,791 INFO L85 PathProgramCache]: Analyzing trace with hash -941748301, now seen corresponding path program 1 times [2024-10-31 22:00:43,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:43,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355352580] [2024-10-31 22:00:43,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:43,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:44,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:44,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:44,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:44,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:00:44,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:44,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355352580] [2024-10-31 22:00:44,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355352580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:44,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:44,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:00:44,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629028998] [2024-10-31 22:00:44,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:44,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:00:44,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:44,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:00:44,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:00:44,060 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 4 states, 3 states have (on average 7.0) 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) [2024-10-31 22:00:44,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:44,157 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2024-10-31 22:00:44,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:00:44,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) 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 35 [2024-10-31 22:00:44,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:44,163 INFO L225 Difference]: With dead ends: 54 [2024-10-31 22:00:44,164 INFO L226 Difference]: Without dead ends: 53 [2024-10-31 22:00:44,164 INFO L431 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 [2024-10-31 22:00:44,165 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:44,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 146 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:44,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-31 22:00:44,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-31 22:00:44,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 48 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) [2024-10-31 22:00:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2024-10-31 22:00:44,181 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 35 [2024-10-31 22:00:44,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:44,182 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2024-10-31 22:00:44,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) 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) [2024-10-31 22:00:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2024-10-31 22:00:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-31 22:00:44,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:44,184 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-10-31 22:00:44,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:00:44,185 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:44,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:44,186 INFO L85 PathProgramCache]: Analyzing trace with hash 870573822, now seen corresponding path program 1 times [2024-10-31 22:00:44,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:44,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113830359] [2024-10-31 22:00:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:44,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:44,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 22:00:44,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:44,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113830359] [2024-10-31 22:00:44,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113830359] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:44,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248553885] [2024-10-31 22:00:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:44,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:44,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:44,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:44,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:00:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:44,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:00:44,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:00:45,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:00:45,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248553885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:45,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:00:45,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-31 22:00:45,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495997847] [2024-10-31 22:00:45,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:45,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:00:45,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:45,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:00:45,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:00:45,194 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-31 22:00:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:45,215 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2024-10-31 22:00:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:00:45,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 36 [2024-10-31 22:00:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:45,217 INFO L225 Difference]: With dead ends: 53 [2024-10-31 22:00:45,217 INFO L226 Difference]: Without dead ends: 52 [2024-10-31 22:00:45,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:00:45,218 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:45,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:00:45,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-31 22:00:45,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-31 22:00:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 47 states have internal predecessors, (53), 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) [2024-10-31 22:00:45,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2024-10-31 22:00:45,230 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 36 [2024-10-31 22:00:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:45,230 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2024-10-31 22:00:45,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-31 22:00:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2024-10-31 22:00:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-31 22:00:45,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:45,231 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-10-31 22:00:45,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:45,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:45,433 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:45,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:45,433 INFO L85 PathProgramCache]: Analyzing trace with hash -2092031581, now seen corresponding path program 1 times [2024-10-31 22:00:45,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:45,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151827536] [2024-10-31 22:00:45,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:45,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:45,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:45,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:45,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:00:45,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:45,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151827536] [2024-10-31 22:00:45,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151827536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:45,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:45,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:00:45,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072029753] [2024-10-31 22:00:45,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:45,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:00:45,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:45,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:00:45,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:00:45,599 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-10-31 22:00:45,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:45,677 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2024-10-31 22:00:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:00:45,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 [2024-10-31 22:00:45,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:45,679 INFO L225 Difference]: With dead ends: 77 [2024-10-31 22:00:45,679 INFO L226 Difference]: Without dead ends: 54 [2024-10-31 22:00:45,680 INFO L431 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 [2024-10-31 22:00:45,681 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:45,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:45,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-31 22:00:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-31 22:00:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 44 states have (on average 1.2727272727272727) 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) [2024-10-31 22:00:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-10-31 22:00:45,687 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 39 [2024-10-31 22:00:45,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:45,688 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-10-31 22:00:45,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-10-31 22:00:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-10-31 22:00:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-31 22:00:45,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:45,689 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-10-31 22:00:45,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:00:45,690 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:45,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:45,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1257023399, now seen corresponding path program 1 times [2024-10-31 22:00:45,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:45,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956401052] [2024-10-31 22:00:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:45,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:45,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:45,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:45,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:00:45,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:45,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956401052] [2024-10-31 22:00:45,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956401052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:45,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:45,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:00:45,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294442672] [2024-10-31 22:00:45,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:45,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:00:45,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:45,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:00:45,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:00:45,868 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-31 22:00:45,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:45,949 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2024-10-31 22:00:45,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:00:45,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 41 [2024-10-31 22:00:45,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:45,951 INFO L225 Difference]: With dead ends: 60 [2024-10-31 22:00:45,951 INFO L226 Difference]: Without dead ends: 58 [2024-10-31 22:00:45,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:00:45,952 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:45,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 191 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:45,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-31 22:00:45,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-10-31 22:00:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 48 states have (on average 1.25) internal successors, (60), 53 states have internal predecessors, (60), 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) [2024-10-31 22:00:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2024-10-31 22:00:45,963 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 41 [2024-10-31 22:00:45,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:45,964 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2024-10-31 22:00:45,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-31 22:00:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2024-10-31 22:00:45,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-31 22:00:45,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:45,967 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1] [2024-10-31 22:00:45,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:00:45,968 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:45,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:45,968 INFO L85 PathProgramCache]: Analyzing trace with hash -526585807, now seen corresponding path program 1 times [2024-10-31 22:00:45,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:45,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901929735] [2024-10-31 22:00:45,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:45,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:46,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:46,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:46,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:00:46,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:46,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901929735] [2024-10-31 22:00:46,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901929735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:46,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:46,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:00:46,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250239535] [2024-10-31 22:00:46,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:46,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:00:46,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:46,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:00:46,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:00:46,329 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-10-31 22:00:46,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:46,429 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2024-10-31 22:00:46,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:00:46,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 47 [2024-10-31 22:00:46,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:46,431 INFO L225 Difference]: With dead ends: 87 [2024-10-31 22:00:46,431 INFO L226 Difference]: Without dead ends: 57 [2024-10-31 22:00:46,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:00:46,432 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 37 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:46,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 149 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:46,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-31 22:00:46,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-31 22:00:46,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 52 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) [2024-10-31 22:00:46,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2024-10-31 22:00:46,446 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 47 [2024-10-31 22:00:46,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:46,451 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2024-10-31 22:00:46,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-10-31 22:00:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2024-10-31 22:00:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:00:46,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:46,452 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2024-10-31 22:00:46,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:00:46,453 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:46,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:46,453 INFO L85 PathProgramCache]: Analyzing trace with hash -60886438, now seen corresponding path program 1 times [2024-10-31 22:00:46,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:46,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471389975] [2024-10-31 22:00:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:46,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:46,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:46,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:46,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471389975] [2024-10-31 22:00:46,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471389975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:46,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:46,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:00:46,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372908182] [2024-10-31 22:00:46,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:46,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:00:46,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:46,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:00:46,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:00:46,715 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 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) [2024-10-31 22:00:46,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:46,839 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2024-10-31 22:00:46,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:00:46,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 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 48 [2024-10-31 22:00:46,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:46,840 INFO L225 Difference]: With dead ends: 68 [2024-10-31 22:00:46,840 INFO L226 Difference]: Without dead ends: 67 [2024-10-31 22:00:46,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:00:46,841 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 4 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:46,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 264 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:46,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-31 22:00:46,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2024-10-31 22:00:46,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 57 states have internal predecessors, (64), 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) [2024-10-31 22:00:46,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2024-10-31 22:00:46,847 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 48 [2024-10-31 22:00:46,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:46,847 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2024-10-31 22:00:46,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 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) [2024-10-31 22:00:46,848 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-10-31 22:00:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:00:46,848 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:46,848 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2024-10-31 22:00:46,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:00:46,849 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:46,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:46,849 INFO L85 PathProgramCache]: Analyzing trace with hash -60846716, now seen corresponding path program 1 times [2024-10-31 22:00:46,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:46,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438709049] [2024-10-31 22:00:46,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:46,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:47,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:47,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438709049] [2024-10-31 22:00:47,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438709049] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:47,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641413533] [2024-10-31 22:00:47,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:47,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:47,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:47,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:47,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:00:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:00:47,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:47,422 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:00:47,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641413533] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:47,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:00:47,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-10-31 22:00:47,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560136210] [2024-10-31 22:00:47,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:47,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:00:47,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:47,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:00:47,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:00:47,425 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 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) [2024-10-31 22:00:47,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:47,474 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2024-10-31 22:00:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:00:47,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 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 48 [2024-10-31 22:00:47,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:47,476 INFO L225 Difference]: With dead ends: 62 [2024-10-31 22:00:47,476 INFO L226 Difference]: Without dead ends: 61 [2024-10-31 22:00:47,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:00:47,477 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:47,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 241 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:00:47,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-31 22:00:47,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-31 22:00:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 56 states have internal predecessors, (63), 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) [2024-10-31 22:00:47,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2024-10-31 22:00:47,488 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 48 [2024-10-31 22:00:47,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:47,488 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2024-10-31 22:00:47,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 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) [2024-10-31 22:00:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2024-10-31 22:00:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-31 22:00:47,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:47,490 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:47,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:47,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-31 22:00:47,691 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:47,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:47,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1887479447, now seen corresponding path program 1 times [2024-10-31 22:00:47,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:47,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083717144] [2024-10-31 22:00:47,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:47,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:47,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:47,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083717144] [2024-10-31 22:00:47,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083717144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:47,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:47,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:00:47,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223666438] [2024-10-31 22:00:47,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:47,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:00:47,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:00:47,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:00:47,934 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-10-31 22:00:48,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:48,046 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2024-10-31 22:00:48,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:00:48,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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 49 [2024-10-31 22:00:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:48,047 INFO L225 Difference]: With dead ends: 65 [2024-10-31 22:00:48,048 INFO L226 Difference]: Without dead ends: 64 [2024-10-31 22:00:48,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:00:48,049 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:48,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 222 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:48,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-31 22:00:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-10-31 22:00:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 57 states have internal predecessors, (64), 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) [2024-10-31 22:00:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2024-10-31 22:00:48,055 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 49 [2024-10-31 22:00:48,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:48,055 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2024-10-31 22:00:48,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-10-31 22:00:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-10-31 22:00:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-31 22:00:48,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:48,057 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1] [2024-10-31 22:00:48,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:00:48,057 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:48,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:48,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1886248085, now seen corresponding path program 1 times [2024-10-31 22:00:48,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:48,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820320877] [2024-10-31 22:00:48,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:48,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:48,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:48,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:48,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820320877] [2024-10-31 22:00:48,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820320877] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:48,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177032349] [2024-10-31 22:00:48,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:48,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:48,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:48,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:48,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:00:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:48,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:00:48,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:48,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:00:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:48,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177032349] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:00:48,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:00:48,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-10-31 22:00:48,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252400520] [2024-10-31 22:00:48,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:00:48,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:00:48,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:48,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:00:48,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:00:48,750 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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) [2024-10-31 22:00:48,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:48,857 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2024-10-31 22:00:48,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:00:48,858 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 [2024-10-31 22:00:48,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:48,859 INFO L225 Difference]: With dead ends: 83 [2024-10-31 22:00:48,859 INFO L226 Difference]: Without dead ends: 82 [2024-10-31 22:00:48,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:00:48,860 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 12 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:48,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 238 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:48,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-31 22:00:48,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2024-10-31 22:00:48,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 73 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) [2024-10-31 22:00:48,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2024-10-31 22:00:48,866 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 49 [2024-10-31 22:00:48,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:48,867 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2024-10-31 22:00:48,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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) [2024-10-31 22:00:48,867 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2024-10-31 22:00:48,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-31 22:00:48,867 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:48,868 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:48,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:49,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-31 22:00:49,072 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:49,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:49,073 INFO L85 PathProgramCache]: Analyzing trace with hash -188232128, now seen corresponding path program 1 times [2024-10-31 22:00:49,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:49,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975462898] [2024-10-31 22:00:49,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:49,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:49,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:49,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975462898] [2024-10-31 22:00:49,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975462898] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:49,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:49,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 22:00:49,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081320446] [2024-10-31 22:00:49,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:49,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:00:49,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:49,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:00:49,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:00:49,313 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 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) [2024-10-31 22:00:49,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:49,459 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2024-10-31 22:00:49,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:00:49,459 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 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 52 [2024-10-31 22:00:49,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:49,460 INFO L225 Difference]: With dead ends: 85 [2024-10-31 22:00:49,460 INFO L226 Difference]: Without dead ends: 84 [2024-10-31 22:00:49,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:00:49,461 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 5 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:49,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 336 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:49,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-31 22:00:49,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-31 22:00:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 75 states have (on average 1.1866666666666668) internal successors, (89), 79 states have internal predecessors, (89), 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) [2024-10-31 22:00:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions. [2024-10-31 22:00:49,468 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 52 [2024-10-31 22:00:49,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:49,468 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions. [2024-10-31 22:00:49,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 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) [2024-10-31 22:00:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2024-10-31 22:00:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-31 22:00:49,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:49,469 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:49,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:00:49,470 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:49,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:49,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1540228528, now seen corresponding path program 1 times [2024-10-31 22:00:49,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:49,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945291645] [2024-10-31 22:00:49,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:49,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:49,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:49,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945291645] [2024-10-31 22:00:49,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945291645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:49,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:49,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 22:00:49,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337509547] [2024-10-31 22:00:49,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:49,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:00:49,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:49,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:00:49,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:00:49,728 INFO L87 Difference]: Start difference. First operand 84 states and 95 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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) [2024-10-31 22:00:49,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:49,854 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions. [2024-10-31 22:00:49,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:00:49,855 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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 53 [2024-10-31 22:00:49,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:49,855 INFO L225 Difference]: With dead ends: 89 [2024-10-31 22:00:49,856 INFO L226 Difference]: Without dead ends: 88 [2024-10-31 22:00:49,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:00:49,857 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 4 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:49,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 255 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:49,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-31 22:00:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-10-31 22:00:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 83 states have internal predecessors, (93), 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) [2024-10-31 22:00:49,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2024-10-31 22:00:49,863 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 53 [2024-10-31 22:00:49,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:49,863 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2024-10-31 22:00:49,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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) [2024-10-31 22:00:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2024-10-31 22:00:49,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-31 22:00:49,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:49,865 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-31 22:00:49,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:00:49,865 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:49,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:49,866 INFO L85 PathProgramCache]: Analyzing trace with hash -766428082, now seen corresponding path program 1 times [2024-10-31 22:00:49,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:49,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258920876] [2024-10-31 22:00:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:49,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:50,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:50,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:50,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:50,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:50,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258920876] [2024-10-31 22:00:50,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258920876] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:50,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117464732] [2024-10-31 22:00:50,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:50,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:50,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:50,119 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:50,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:00:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:50,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:00:50,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:50,541 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:00:50,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117464732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:50,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:00:50,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2024-10-31 22:00:50,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067869849] [2024-10-31 22:00:50,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:50,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:00:50,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:50,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:00:50,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:00:50,544 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 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) [2024-10-31 22:00:50,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:50,615 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2024-10-31 22:00:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:00:50,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 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 54 [2024-10-31 22:00:50,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:50,617 INFO L225 Difference]: With dead ends: 90 [2024-10-31 22:00:50,617 INFO L226 Difference]: Without dead ends: 89 [2024-10-31 22:00:50,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:00:50,618 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 9 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:50,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 204 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:50,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-31 22:00:50,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-10-31 22:00:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 82 states have internal predecessors, (92), 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) [2024-10-31 22:00:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2024-10-31 22:00:50,626 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 54 [2024-10-31 22:00:50,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:50,627 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2024-10-31 22:00:50,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 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) [2024-10-31 22:00:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2024-10-31 22:00:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:00:50,628 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:50,628 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:50,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:50,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-31 22:00:50,834 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:50,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash 2010533365, now seen corresponding path program 1 times [2024-10-31 22:00:50,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:50,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248628621] [2024-10-31 22:00:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:50,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:51,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:51,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:51,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:51,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:51,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248628621] [2024-10-31 22:00:51,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248628621] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:51,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759005942] [2024-10-31 22:00:51,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:51,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:51,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:51,100 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:51,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:00:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:51,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:00:51,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:51,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:00:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:51,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759005942] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:00:51,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:00:51,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-10-31 22:00:51,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524245078] [2024-10-31 22:00:51,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:00:51,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-31 22:00:51,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:51,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-31 22:00:51,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:00:51,626 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 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) [2024-10-31 22:00:51,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:51,785 INFO L93 Difference]: Finished difference Result 104 states and 117 transitions. [2024-10-31 22:00:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 22:00:51,786 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 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 55 [2024-10-31 22:00:51,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:51,787 INFO L225 Difference]: With dead ends: 104 [2024-10-31 22:00:51,787 INFO L226 Difference]: Without dead ends: 103 [2024-10-31 22:00:51,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:00:51,788 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 11 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:51,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 402 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:51,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-31 22:00:51,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93. [2024-10-31 22:00:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 85 states have (on average 1.1647058823529413) internal successors, (99), 88 states have internal predecessors, (99), 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) [2024-10-31 22:00:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2024-10-31 22:00:51,794 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 55 [2024-10-31 22:00:51,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:51,795 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2024-10-31 22:00:51,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 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) [2024-10-31 22:00:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2024-10-31 22:00:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-31 22:00:51,796 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:51,796 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:51,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:51,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-31 22:00:51,997 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:51,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:51,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1814299084, now seen corresponding path program 1 times [2024-10-31 22:00:51,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:51,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565146422] [2024-10-31 22:00:51,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:52,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:52,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:52,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:52,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:52,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565146422] [2024-10-31 22:00:52,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565146422] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:52,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685185168] [2024-10-31 22:00:52,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:52,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:52,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:52,381 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:52,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:00:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:52,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:00:52,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:52,903 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:00:52,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685185168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:52,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:00:52,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 12 [2024-10-31 22:00:52,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437881564] [2024-10-31 22:00:52,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:52,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:00:52,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:52,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:00:52,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:00:52,905 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 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) [2024-10-31 22:00:52,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:52,996 INFO L93 Difference]: Finished difference Result 93 states and 105 transitions. [2024-10-31 22:00:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:00:52,997 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 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 58 [2024-10-31 22:00:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:52,997 INFO L225 Difference]: With dead ends: 93 [2024-10-31 22:00:52,998 INFO L226 Difference]: Without dead ends: 92 [2024-10-31 22:00:52,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:00:52,999 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 15 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:52,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 258 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:00:53,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-10-31 22:00:53,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2024-10-31 22:00:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 81 states have internal predecessors, (91), 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) [2024-10-31 22:00:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2024-10-31 22:00:53,004 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 58 [2024-10-31 22:00:53,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:53,004 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2024-10-31 22:00:53,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 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) [2024-10-31 22:00:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2024-10-31 22:00:53,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-31 22:00:53,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:53,006 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:53,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:00:53,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 22:00:53,207 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:53,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:53,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1525932924, now seen corresponding path program 1 times [2024-10-31 22:00:53,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:53,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775978448] [2024-10-31 22:00:53,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:53,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:53,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:53,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:53,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:53,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:53,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775978448] [2024-10-31 22:00:53,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775978448] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:53,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771911269] [2024-10-31 22:00:53,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:53,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:53,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:53,509 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:53,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 22:00:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:53,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:00:53,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:54,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:00:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:54,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771911269] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:00:54,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:00:54,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2024-10-31 22:00:54,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769929] [2024-10-31 22:00:54,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:00:54,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-31 22:00:54,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:54,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-31 22:00:54,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2024-10-31 22:00:54,227 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand has 21 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 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) [2024-10-31 22:00:54,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:54,442 INFO L93 Difference]: Finished difference Result 111 states and 124 transitions. [2024-10-31 22:00:54,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-31 22:00:54,443 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 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 [2024-10-31 22:00:54,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:54,444 INFO L225 Difference]: With dead ends: 111 [2024-10-31 22:00:54,444 INFO L226 Difference]: Without dead ends: 110 [2024-10-31 22:00:54,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2024-10-31 22:00:54,446 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:54,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 469 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:00:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-31 22:00:54,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2024-10-31 22:00:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 101 states have (on average 1.118811881188119) internal successors, (113), 103 states have internal predecessors, (113), 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) [2024-10-31 22:00:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 119 transitions. [2024-10-31 22:00:54,454 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 119 transitions. Word has length 59 [2024-10-31 22:00:54,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:54,454 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 119 transitions. [2024-10-31 22:00:54,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 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) [2024-10-31 22:00:54,455 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 119 transitions. [2024-10-31 22:00:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-31 22:00:54,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:54,456 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2024-10-31 22:00:54,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-31 22:00:54,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:54,662 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:54,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:54,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1139506792, now seen corresponding path program 1 times [2024-10-31 22:00:54,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:54,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136019801] [2024-10-31 22:00:54,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:54,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:55,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:55,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:55,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:55,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:55,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136019801] [2024-10-31 22:00:55,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136019801] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:55,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180148111] [2024-10-31 22:00:55,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:55,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:55,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:55,104 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:55,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 22:00:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:55,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 22:00:55,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:55,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:00:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:55,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180148111] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:00:55,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:00:55,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2024-10-31 22:00:55,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203897472] [2024-10-31 22:00:55,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:00:55,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-31 22:00:55,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:55,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-31 22:00:55,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-10-31 22:00:55,842 INFO L87 Difference]: Start difference. First operand 108 states and 119 transitions. Second operand has 25 states, 24 states have (on average 3.5) internal successors, (84), 24 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) [2024-10-31 22:00:56,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:56,096 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2024-10-31 22:00:56,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-31 22:00:56,097 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.5) internal successors, (84), 24 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 65 [2024-10-31 22:00:56,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:56,098 INFO L225 Difference]: With dead ends: 157 [2024-10-31 22:00:56,098 INFO L226 Difference]: Without dead ends: 154 [2024-10-31 22:00:56,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-10-31 22:00:56,099 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 25 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:56,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 434 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:00:56,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-31 22:00:56,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 120. [2024-10-31 22:00:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 113 states have (on average 1.1238938053097345) internal successors, (127), 115 states have internal predecessors, (127), 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) [2024-10-31 22:00:56,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 133 transitions. [2024-10-31 22:00:56,114 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 133 transitions. Word has length 65 [2024-10-31 22:00:56,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:56,115 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 133 transitions. [2024-10-31 22:00:56,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.5) internal successors, (84), 24 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) [2024-10-31 22:00:56,115 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 133 transitions. [2024-10-31 22:00:56,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-31 22:00:56,116 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:56,117 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1] [2024-10-31 22:00:56,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:56,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:56,319 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:56,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:56,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1632213044, now seen corresponding path program 1 times [2024-10-31 22:00:56,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:56,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916856931] [2024-10-31 22:00:56,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:56,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:56,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:56,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:56,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:56,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:56,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916856931] [2024-10-31 22:00:56,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916856931] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:56,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813335471] [2024-10-31 22:00:56,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:56,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:56,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:56,842 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:56,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-31 22:00:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:57,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-31 22:00:57,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:57,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:00:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:57,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813335471] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:00:57,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:00:57,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 28 [2024-10-31 22:00:57,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208097278] [2024-10-31 22:00:57,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:00:57,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-31 22:00:57,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:57,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-31 22:00:57,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2024-10-31 22:00:57,669 INFO L87 Difference]: Start difference. First operand 120 states and 133 transitions. Second operand has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 28 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) [2024-10-31 22:00:57,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:57,916 INFO L93 Difference]: Finished difference Result 179 states and 195 transitions. [2024-10-31 22:00:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-31 22:00:57,917 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 28 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 71 [2024-10-31 22:00:57,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:57,918 INFO L225 Difference]: With dead ends: 179 [2024-10-31 22:00:57,919 INFO L226 Difference]: Without dead ends: 178 [2024-10-31 22:00:57,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2024-10-31 22:00:57,920 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 14 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:57,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 642 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:00:57,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-31 22:00:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 132. [2024-10-31 22:00:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 125 states have (on average 1.112) internal successors, (139), 127 states have internal predecessors, (139), 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) [2024-10-31 22:00:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 145 transitions. [2024-10-31 22:00:57,929 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 145 transitions. Word has length 71 [2024-10-31 22:00:57,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:57,929 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 145 transitions. [2024-10-31 22:00:57,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 28 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) [2024-10-31 22:00:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 145 transitions. [2024-10-31 22:00:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-31 22:00:57,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:57,931 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 3, 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] [2024-10-31 22:00:57,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-31 22:00:58,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:58,132 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:00:58,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:58,132 INFO L85 PathProgramCache]: Analyzing trace with hash -962170841, now seen corresponding path program 2 times [2024-10-31 22:00:58,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:58,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981803784] [2024-10-31 22:00:58,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:58,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:58,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:58,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:58,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:00:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:58,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:58,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981803784] [2024-10-31 22:00:58,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981803784] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:00:58,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937427400] [2024-10-31 22:00:58,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:00:58,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:00:58,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:58,608 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:00:58,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-31 22:00:59,066 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:00:59,067 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:00:59,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 22:00:59,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:59,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:00:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:00:59,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937427400] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:00:59,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:00:59,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-10-31 22:00:59,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298740840] [2024-10-31 22:00:59,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:00:59,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-31 22:00:59,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:59,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-31 22:00:59,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-10-31 22:00:59,613 INFO L87 Difference]: Start difference. First operand 132 states and 145 transitions. Second operand has 33 states, 32 states have (on average 3.5) internal successors, (112), 32 states have internal predecessors, (112), 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) [2024-10-31 22:00:59,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:59,814 INFO L93 Difference]: Finished difference Result 199 states and 226 transitions. [2024-10-31 22:00:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-31 22:00:59,816 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.5) internal successors, (112), 32 states have internal predecessors, (112), 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 79 [2024-10-31 22:00:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:59,817 INFO L225 Difference]: With dead ends: 199 [2024-10-31 22:00:59,818 INFO L226 Difference]: Without dead ends: 198 [2024-10-31 22:00:59,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-10-31 22:00:59,819 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 72 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:59,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 390 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:00:59,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-10-31 22:00:59,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 178. [2024-10-31 22:00:59,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 171 states have (on average 1.1228070175438596) internal successors, (192), 173 states have internal predecessors, (192), 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) [2024-10-31 22:00:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 198 transitions. [2024-10-31 22:00:59,829 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 198 transitions. Word has length 79 [2024-10-31 22:00:59,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:59,830 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 198 transitions. [2024-10-31 22:00:59,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.5) internal successors, (112), 32 states have internal predecessors, (112), 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) [2024-10-31 22:00:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 198 transitions. [2024-10-31 22:00:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-31 22:00:59,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:59,831 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 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, 1, 1] [2024-10-31 22:00:59,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:00,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:00,036 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:01:00,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:00,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1660973292, now seen corresponding path program 2 times [2024-10-31 22:01:00,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:00,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63987503] [2024-10-31 22:01:00,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:00,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:01:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:01:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:00,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:00,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63987503] [2024-10-31 22:01:00,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63987503] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:00,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612305557] [2024-10-31 22:01:00,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:01:00,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:00,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:00,603 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:00,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-31 22:01:01,061 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:01:01,062 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:01:01,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-31 22:01:01,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:01,184 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:01:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:01,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612305557] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:01:01,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:01:01,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 36 [2024-10-31 22:01:01,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152205357] [2024-10-31 22:01:01,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:01:01,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-31 22:01:01,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:01,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-31 22:01:01,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2024-10-31 22:01:01,638 INFO L87 Difference]: Start difference. First operand 178 states and 198 transitions. Second operand has 37 states, 36 states have (on average 3.3333333333333335) internal successors, (120), 36 states have internal predecessors, (120), 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) [2024-10-31 22:01:01,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:01,886 INFO L93 Difference]: Finished difference Result 253 states and 277 transitions. [2024-10-31 22:01:01,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-31 22:01:01,887 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.3333333333333335) internal successors, (120), 36 states have internal predecessors, (120), 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 83 [2024-10-31 22:01:01,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:01,888 INFO L225 Difference]: With dead ends: 253 [2024-10-31 22:01:01,889 INFO L226 Difference]: Without dead ends: 252 [2024-10-31 22:01:01,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2024-10-31 22:01:01,890 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 31 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:01,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 547 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:01:01,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-31 22:01:01,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2024-10-31 22:01:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 179 states have (on average 1.1173184357541899) internal successors, (200), 181 states have internal predecessors, (200), 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) [2024-10-31 22:01:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 206 transitions. [2024-10-31 22:01:01,927 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 206 transitions. Word has length 83 [2024-10-31 22:01:01,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:01,927 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 206 transitions. [2024-10-31 22:01:01,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.3333333333333335) internal successors, (120), 36 states have internal predecessors, (120), 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) [2024-10-31 22:01:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 206 transitions. [2024-10-31 22:01:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-31 22:01:01,929 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:01,929 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 3, 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, 1] [2024-10-31 22:01:01,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-31 22:01:02,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-31 22:01:02,130 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:01:02,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:02,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1117068721, now seen corresponding path program 2 times [2024-10-31 22:01:02,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:02,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196732281] [2024-10-31 22:01:02,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:02,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:02,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:01:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:02,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:02,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:01:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:02,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:02,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196732281] [2024-10-31 22:01:02,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196732281] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:02,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635116979] [2024-10-31 22:01:02,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:01:02,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:02,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:02,645 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:02,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-31 22:01:03,143 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:01:03,143 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:01:03,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-31 22:01:03,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:03,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:01:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:03,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635116979] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:01:03,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:01:03,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 36 [2024-10-31 22:01:03,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055995907] [2024-10-31 22:01:03,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:01:03,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-31 22:01:03,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:03,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-31 22:01:03,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=1019, Unknown=0, NotChecked=0, Total=1332 [2024-10-31 22:01:03,723 INFO L87 Difference]: Start difference. First operand 186 states and 206 transitions. Second operand has 37 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 36 states have internal predecessors, (124), 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) [2024-10-31 22:01:03,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:03,992 INFO L93 Difference]: Finished difference Result 223 states and 245 transitions. [2024-10-31 22:01:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-31 22:01:03,993 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 36 states have internal predecessors, (124), 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 85 [2024-10-31 22:01:03,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:03,994 INFO L225 Difference]: With dead ends: 223 [2024-10-31 22:01:03,994 INFO L226 Difference]: Without dead ends: 222 [2024-10-31 22:01:03,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=313, Invalid=1019, Unknown=0, NotChecked=0, Total=1332 [2024-10-31 22:01:03,996 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 48 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:03,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 423 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:01:03,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-31 22:01:04,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 192. [2024-10-31 22:01:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 185 states have (on average 1.1189189189189188) internal successors, (207), 187 states have internal predecessors, (207), 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) [2024-10-31 22:01:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 213 transitions. [2024-10-31 22:01:04,019 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 213 transitions. Word has length 85 [2024-10-31 22:01:04,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:04,019 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 213 transitions. [2024-10-31 22:01:04,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 36 states have internal predecessors, (124), 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) [2024-10-31 22:01:04,020 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 213 transitions. [2024-10-31 22:01:04,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-31 22:01:04,021 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:04,021 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 3, 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, 1, 1, 1, 1, 1] [2024-10-31 22:01:04,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:04,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:04,222 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:01:04,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:04,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1833149800, now seen corresponding path program 2 times [2024-10-31 22:01:04,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:04,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962086932] [2024-10-31 22:01:04,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:04,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:04,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:01:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:04,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:04,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:01:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:04,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:04,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962086932] [2024-10-31 22:01:04,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962086932] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:04,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836046844] [2024-10-31 22:01:04,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:01:04,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:04,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:04,771 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:04,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-31 22:01:05,260 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:01:05,260 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:01:05,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 22:01:05,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:05,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:01:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:05,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836046844] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:01:05,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:01:05,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 40 [2024-10-31 22:01:05,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904868356] [2024-10-31 22:01:05,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:01:05,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-31 22:01:05,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:05,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-31 22:01:05,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1283, Unknown=0, NotChecked=0, Total=1640 [2024-10-31 22:01:05,962 INFO L87 Difference]: Start difference. First operand 192 states and 213 transitions. Second operand has 41 states, 40 states have (on average 3.3) internal successors, (132), 40 states have internal predecessors, (132), 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) [2024-10-31 22:01:06,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:06,181 INFO L93 Difference]: Finished difference Result 241 states and 263 transitions. [2024-10-31 22:01:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-31 22:01:06,181 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.3) internal successors, (132), 40 states have internal predecessors, (132), 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 89 [2024-10-31 22:01:06,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:06,182 INFO L225 Difference]: With dead ends: 241 [2024-10-31 22:01:06,183 INFO L226 Difference]: Without dead ends: 240 [2024-10-31 22:01:06,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=357, Invalid=1283, Unknown=0, NotChecked=0, Total=1640 [2024-10-31 22:01:06,184 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 63 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:06,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 446 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:01:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-31 22:01:06,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 196. [2024-10-31 22:01:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 189 states have (on average 1.1164021164021165) internal successors, (211), 191 states have internal predecessors, (211), 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) [2024-10-31 22:01:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 217 transitions. [2024-10-31 22:01:06,196 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 217 transitions. Word has length 89 [2024-10-31 22:01:06,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:06,197 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 217 transitions. [2024-10-31 22:01:06,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.3) internal successors, (132), 40 states have internal predecessors, (132), 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) [2024-10-31 22:01:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 217 transitions. [2024-10-31 22:01:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-31 22:01:06,198 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:06,199 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1] [2024-10-31 22:01:06,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:06,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:06,400 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 22:01:06,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:06,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1916244572, now seen corresponding path program 3 times [2024-10-31 22:01:06,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:06,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834548787] [2024-10-31 22:01:06,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:06,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:07,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:01:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:07,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:07,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:01:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:01:07,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:07,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834548787] [2024-10-31 22:01:07,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834548787] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:07,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010550061] [2024-10-31 22:01:07,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:01:07,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:07,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:07,037 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:07,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752863b3-732a-48fb-a4cd-19ff6d78c5c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process