./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/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_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/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_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/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 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:41,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:41,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 21:58:41,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:41,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:41,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:41,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:41,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:41,144 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:41,144 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:41,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:41,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:41,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:41,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:41,150 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:41,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:41,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:41,151 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:41,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:41,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:41,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:41,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:41,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:41,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:41,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:41,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:58:41,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:41,155 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:41,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:41,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:41,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:41,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:41,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:41,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:41,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:41,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:41,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:41,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:41,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:41,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:41,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:41,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:41,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:41,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:41,162 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_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 [2024-10-31 21:58:41,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:41,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:41,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:41,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:41,506 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:41,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i Unable to find full path for "g++" [2024-10-31 21:58:43,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:43,981 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:43,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2024-10-31 21:58:44,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/data/a3ed955b9/70b5d93f0fff479abf51afe150b7146b/FLAG811e7d70a [2024-10-31 21:58:44,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/data/a3ed955b9/70b5d93f0fff479abf51afe150b7146b [2024-10-31 21:58:44,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:44,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:44,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:44,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:44,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:44,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:44" (1/1) ... [2024-10-31 21:58:44,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6541ed7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:44, skipping insertion in model container [2024-10-31 21:58:44,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:44" (1/1) ... [2024-10-31 21:58:44,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:44,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:45,008 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:45,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:45,194 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:45,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45 WrapperNode [2024-10-31 21:58:45,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:45,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:45,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:45,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:45,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,447 INFO L138 Inliner]: procedures = 177, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2361 [2024-10-31 21:58:45,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:45,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:45,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:45,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:45,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,515 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,747 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [417, 2, 24]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 99 writes are split as follows [98, 0, 1]. [2024-10-31 21:58:45,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:45,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:45,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:45,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:45,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (1/1) ... [2024-10-31 21:58:45,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:45,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:45,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:45,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-31 21:58:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-31 21:58:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:58:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:58:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 21:58:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 21:58:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:58:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:58:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 21:58:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 21:58:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 21:58:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 21:58:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 21:58:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 21:58:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:58:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:58:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:58:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:58:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:58:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:58:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:58:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:58:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:58:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:46,383 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:46,386 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:49,534 INFO L? ?]: Removed 535 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:49,534 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:49,564 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:49,565 INFO L316 CfgBuilder]: Removed 100 assume(true) statements. [2024-10-31 21:58:49,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:49 BoogieIcfgContainer [2024-10-31 21:58:49,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:49,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:49,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:49,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:49,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:44" (1/3) ... [2024-10-31 21:58:49,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c92715c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:49, skipping insertion in model container [2024-10-31 21:58:49,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:45" (2/3) ... [2024-10-31 21:58:49,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c92715c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:49, skipping insertion in model container [2024-10-31 21:58:49,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:49" (3/3) ... [2024-10-31 21:58:49,581 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-3.i [2024-10-31 21:58:49,599 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:49,599 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-31 21:58:49,734 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:49,741 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;@2bee28a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:49,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-31 21:58:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 651 states, 624 states have (on average 1.6314102564102564) internal successors, (1018), 641 states have internal predecessors, (1018), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-31 21:58:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 21:58:49,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:49,756 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:58:49,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:49,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:49,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1851784934, now seen corresponding path program 1 times [2024-10-31 21:58:49,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:49,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152722936] [2024-10-31 21:58:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:49,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:50,015 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 21:58:50,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:50,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152722936] [2024-10-31 21:58:50,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152722936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:50,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:50,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:50,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538702523] [2024-10-31 21:58:50,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:50,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:58:50,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:50,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:58:50,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:58:50,057 INFO L87 Difference]: Start difference. First operand has 651 states, 624 states have (on average 1.6314102564102564) internal successors, (1018), 641 states have internal predecessors, (1018), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:50,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:50,169 INFO L93 Difference]: Finished difference Result 1296 states and 2090 transitions. [2024-10-31 21:58:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:58:50,173 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 21:58:50,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:50,192 INFO L225 Difference]: With dead ends: 1296 [2024-10-31 21:58:50,193 INFO L226 Difference]: Without dead ends: 578 [2024-10-31 21:58:50,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:58:50,205 INFO L432 NwaCegarLoop]: 930 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:50,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-10-31 21:58:50,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2024-10-31 21:58:50,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 557 states have (on average 1.4631956912028725) internal successors, (815), 569 states have internal predecessors, (815), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 21:58:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 837 transitions. [2024-10-31 21:58:50,279 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 837 transitions. Word has length 6 [2024-10-31 21:58:50,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:50,280 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 837 transitions. [2024-10-31 21:58:50,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 837 transitions. [2024-10-31 21:58:50,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 21:58:50,281 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:50,281 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:50,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:58:50,282 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:50,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:50,283 INFO L85 PathProgramCache]: Analyzing trace with hash 217801389, now seen corresponding path program 1 times [2024-10-31 21:58:50,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:50,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883472090] [2024-10-31 21:58:50,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:50,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:50,399 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 21:58:50,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:50,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883472090] [2024-10-31 21:58:50,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883472090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:50,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:50,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:50,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556327266] [2024-10-31 21:58:50,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:50,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:50,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:50,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:50,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:50,404 INFO L87 Difference]: Start difference. First operand 578 states and 837 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:50,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:50,540 INFO L93 Difference]: Finished difference Result 1319 states and 1925 transitions. [2024-10-31 21:58:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:50,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 21:58:50,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:50,548 INFO L225 Difference]: With dead ends: 1319 [2024-10-31 21:58:50,548 INFO L226 Difference]: Without dead ends: 1137 [2024-10-31 21:58:50,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:50,554 INFO L432 NwaCegarLoop]: 919 mSDtfsCounter, 794 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:50,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 1739 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:50,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2024-10-31 21:58:50,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 754. [2024-10-31 21:58:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 728 states have (on average 1.467032967032967) internal successors, (1068), 745 states have internal predecessors, (1068), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:58:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1100 transitions. [2024-10-31 21:58:50,596 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1100 transitions. Word has length 7 [2024-10-31 21:58:50,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:50,596 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1100 transitions. [2024-10-31 21:58:50,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1100 transitions. [2024-10-31 21:58:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-31 21:58:50,603 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:50,604 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:58:50,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:58:50,604 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:50,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:50,606 INFO L85 PathProgramCache]: Analyzing trace with hash 724823291, now seen corresponding path program 1 times [2024-10-31 21:58:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:50,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966292980] [2024-10-31 21:58:50,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:51,527 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 21:58:51,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:51,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966292980] [2024-10-31 21:58:51,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966292980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:51,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:51,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:58:51,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657289389] [2024-10-31 21:58:51,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:51,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:58:51,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:58:51,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:51,532 INFO L87 Difference]: Start difference. First operand 754 states and 1100 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:51,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:51,676 INFO L93 Difference]: Finished difference Result 1459 states and 2127 transitions. [2024-10-31 21:58:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:58:51,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2024-10-31 21:58:51,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:51,709 INFO L225 Difference]: With dead ends: 1459 [2024-10-31 21:58:51,711 INFO L226 Difference]: Without dead ends: 712 [2024-10-31 21:58:51,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:51,715 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 41 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:51,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 2182 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:51,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-10-31 21:58:51,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-10-31 21:58:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 686 states have (on average 1.444606413994169) internal successors, (991), 703 states have internal predecessors, (991), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:58:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1023 transitions. [2024-10-31 21:58:51,745 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1023 transitions. Word has length 151 [2024-10-31 21:58:51,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:51,745 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 1023 transitions. [2024-10-31 21:58:51,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1023 transitions. [2024-10-31 21:58:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-31 21:58:51,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:51,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:58:51,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:58:51,758 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:51,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:51,759 INFO L85 PathProgramCache]: Analyzing trace with hash 697169549, now seen corresponding path program 1 times [2024-10-31 21:58:51,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:51,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981048301] [2024-10-31 21:58:51,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:51,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:52,114 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 21:58:52,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:52,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981048301] [2024-10-31 21:58:52,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981048301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:52,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:52,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:58:52,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398563974] [2024-10-31 21:58:52,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:52,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:52,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:52,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:52,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:52,119 INFO L87 Difference]: Start difference. First operand 712 states and 1023 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:52,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:52,217 INFO L93 Difference]: Finished difference Result 1411 states and 2033 transitions. [2024-10-31 21:58:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:58:52,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2024-10-31 21:58:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:52,222 INFO L225 Difference]: With dead ends: 1411 [2024-10-31 21:58:52,222 INFO L226 Difference]: Without dead ends: 706 [2024-10-31 21:58:52,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:52,227 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 9 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:52,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2183 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:52,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-10-31 21:58:52,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2024-10-31 21:58:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 680 states have (on average 1.4426470588235294) internal successors, (981), 697 states have internal predecessors, (981), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:58:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1013 transitions. [2024-10-31 21:58:52,257 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1013 transitions. Word has length 151 [2024-10-31 21:58:52,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:52,258 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 1013 transitions. [2024-10-31 21:58:52,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1013 transitions. [2024-10-31 21:58:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-31 21:58:52,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:52,263 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:58:52,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:58:52,265 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:52,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1336057733, now seen corresponding path program 1 times [2024-10-31 21:58:52,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:52,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099023034] [2024-10-31 21:58:52,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:52,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:52,566 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 21:58:52,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:52,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099023034] [2024-10-31 21:58:52,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099023034] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:52,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:52,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:52,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656333743] [2024-10-31 21:58:52,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:52,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:52,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:52,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:52,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:52,572 INFO L87 Difference]: Start difference. First operand 706 states and 1013 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:52,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:52,641 INFO L93 Difference]: Finished difference Result 1484 states and 2126 transitions. [2024-10-31 21:58:52,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:52,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2024-10-31 21:58:52,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:52,648 INFO L225 Difference]: With dead ends: 1484 [2024-10-31 21:58:52,648 INFO L226 Difference]: Without dead ends: 785 [2024-10-31 21:58:52,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:52,652 INFO L432 NwaCegarLoop]: 749 mSDtfsCounter, 54 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:52,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1491 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-10-31 21:58:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2024-10-31 21:58:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 759 states have (on average 1.4321475625823452) internal successors, (1087), 776 states have internal predecessors, (1087), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:58:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1119 transitions. [2024-10-31 21:58:52,694 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1119 transitions. Word has length 151 [2024-10-31 21:58:52,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:52,695 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1119 transitions. [2024-10-31 21:58:52,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1119 transitions. [2024-10-31 21:58:52,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-31 21:58:52,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:52,700 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:58:52,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:58:52,703 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:52,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:52,704 INFO L85 PathProgramCache]: Analyzing trace with hash -505703289, now seen corresponding path program 1 times [2024-10-31 21:58:52,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:52,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405954106] [2024-10-31 21:58:52,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:52,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:53,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 21:58:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:53,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-31 21:58:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:58:53,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:53,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405954106] [2024-10-31 21:58:53,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405954106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:53,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:53,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:58:53,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849468439] [2024-10-31 21:58:53,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:53,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:58:53,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:53,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:58:53,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:53,217 INFO L87 Difference]: Start difference. First operand 785 states and 1119 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 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 21:58:53,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:53,828 INFO L93 Difference]: Finished difference Result 1445 states and 2068 transitions. [2024-10-31 21:58:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:53,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 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 166 [2024-10-31 21:58:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:53,834 INFO L225 Difference]: With dead ends: 1445 [2024-10-31 21:58:53,835 INFO L226 Difference]: Without dead ends: 746 [2024-10-31 21:58:53,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:53,837 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 36 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:53,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2436 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 21:58:53,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-10-31 21:58:53,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 743. [2024-10-31 21:58:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.408647140864714) internal successors, (1010), 734 states have internal predecessors, (1010), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:58:53,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1042 transitions. [2024-10-31 21:58:53,868 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1042 transitions. Word has length 166 [2024-10-31 21:58:53,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:53,869 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1042 transitions. [2024-10-31 21:58:53,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 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 21:58:53,870 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1042 transitions. [2024-10-31 21:58:53,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-31 21:58:53,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:53,874 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:58:53,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:58:53,874 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:53,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:53,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1284035783, now seen corresponding path program 1 times [2024-10-31 21:58:53,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:53,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785526096] [2024-10-31 21:58:53,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:53,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 21:58:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:54,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-31 21:58:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:58:54,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:54,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785526096] [2024-10-31 21:58:54,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785526096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:54,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:54,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:58:54,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276216865] [2024-10-31 21:58:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:54,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:54,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:54,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:54,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:54,250 INFO L87 Difference]: Start difference. First operand 743 states and 1042 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 21:58:55,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:55,172 INFO L93 Difference]: Finished difference Result 1403 states and 1980 transitions. [2024-10-31 21:58:55,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:58:55,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 166 [2024-10-31 21:58:55,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:55,181 INFO L225 Difference]: With dead ends: 1403 [2024-10-31 21:58:55,183 INFO L226 Difference]: Without dead ends: 746 [2024-10-31 21:58:55,184 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 21:58:55,185 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 7 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:55,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1839 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 21:58:55,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-10-31 21:58:55,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 743. [2024-10-31 21:58:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.404463040446304) internal successors, (1007), 734 states have internal predecessors, (1007), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:58:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1039 transitions. [2024-10-31 21:58:55,213 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1039 transitions. Word has length 166 [2024-10-31 21:58:55,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:55,214 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1039 transitions. [2024-10-31 21:58:55,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 21:58:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1039 transitions. [2024-10-31 21:58:55,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-31 21:58:55,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:55,217 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:58:55,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:58:55,218 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:55,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:55,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1552849725, now seen corresponding path program 1 times [2024-10-31 21:58:55,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:55,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861276644] [2024-10-31 21:58:55,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:55,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:55,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 21:58:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-31 21:58:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:55,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:58:55,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:55,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861276644] [2024-10-31 21:58:55,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861276644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:55,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:55,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:58:55,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280445442] [2024-10-31 21:58:55,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:55,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:55,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:55,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:55,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:55,635 INFO L87 Difference]: Start difference. First operand 743 states and 1039 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 21:58:56,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:56,305 INFO L93 Difference]: Finished difference Result 1724 states and 2436 transitions. [2024-10-31 21:58:56,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:58:56,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 166 [2024-10-31 21:58:56,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:56,311 INFO L225 Difference]: With dead ends: 1724 [2024-10-31 21:58:56,312 INFO L226 Difference]: Without dead ends: 1067 [2024-10-31 21:58:56,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 21:58:56,314 INFO L432 NwaCegarLoop]: 858 mSDtfsCounter, 389 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:56,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 2252 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 21:58:56,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-10-31 21:58:56,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1059. [2024-10-31 21:58:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 1020 states have (on average 1.4098039215686275) internal successors, (1438), 1047 states have internal predecessors, (1438), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-31 21:58:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1496 transitions. [2024-10-31 21:58:56,353 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1496 transitions. Word has length 166 [2024-10-31 21:58:56,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:56,355 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1496 transitions. [2024-10-31 21:58:56,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 21:58:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1496 transitions. [2024-10-31 21:58:56,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-31 21:58:56,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:56,359 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:58:56,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 21:58:56,359 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:56,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:56,360 INFO L85 PathProgramCache]: Analyzing trace with hash 2108503877, now seen corresponding path program 1 times [2024-10-31 21:58:56,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:56,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186204331] [2024-10-31 21:58:56,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:56,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:56,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 21:58:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:56,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-31 21:58:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:56,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-31 21:58:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:56,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 21:58:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 21:58:56,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:56,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186204331] [2024-10-31 21:58:56,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186204331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:56,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:56,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:58:56,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453704951] [2024-10-31 21:58:56,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:56,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:58:56,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:56,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:58:56,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:56,928 INFO L87 Difference]: Start difference. First operand 1059 states and 1496 transitions. Second operand has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 21:58:58,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 21:58:59,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:59,117 INFO L93 Difference]: Finished difference Result 1130 states and 1597 transitions. [2024-10-31 21:58:59,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:58:59,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2024-10-31 21:58:59,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:59,124 INFO L225 Difference]: With dead ends: 1130 [2024-10-31 21:58:59,124 INFO L226 Difference]: Without dead ends: 1128 [2024-10-31 21:58:59,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 21:58:59,127 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 468 mSDsluCounter, 1827 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 2481 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:59,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 2481 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-31 21:58:59,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-10-31 21:58:59,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1123. [2024-10-31 21:58:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.4024051803885291) internal successors, (1516), 1108 states have internal predecessors, (1516), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 21:58:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1580 transitions. [2024-10-31 21:58:59,169 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1580 transitions. Word has length 181 [2024-10-31 21:58:59,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:59,170 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1580 transitions. [2024-10-31 21:58:59,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 21:58:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1580 transitions. [2024-10-31 21:58:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-31 21:58:59,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:59,174 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:58:59,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 21:58:59,174 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:58:59,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:59,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1157462316, now seen corresponding path program 1 times [2024-10-31 21:58:59,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:59,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868586144] [2024-10-31 21:58:59,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:59,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 21:59:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-31 21:59:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-31 21:59:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 21:59:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 21:59:00,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:00,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868586144] [2024-10-31 21:59:00,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868586144] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:00,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903456928] [2024-10-31 21:59:00,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:00,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:00,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:00,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:00,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:59:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:01,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-31 21:59:01,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:01,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-31 21:59:01,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-10-31 21:59:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 21:59:02,852 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:02,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903456928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:02,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:59:02,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-10-31 21:59:02,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738538028] [2024-10-31 21:59:02,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:02,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 21:59:02,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:02,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 21:59:02,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-10-31 21:59:02,855 INFO L87 Difference]: Start difference. First operand 1123 states and 1580 transitions. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 21:59:06,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:06,091 INFO L93 Difference]: Finished difference Result 2209 states and 3118 transitions. [2024-10-31 21:59:06,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 21:59:06,092 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2024-10-31 21:59:06,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:06,098 INFO L225 Difference]: With dead ends: 2209 [2024-10-31 21:59:06,098 INFO L226 Difference]: Without dead ends: 1125 [2024-10-31 21:59:06,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-10-31 21:59:06,101 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 714 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 4824 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:06,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 4824 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-31 21:59:06,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-10-31 21:59:06,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1123. [2024-10-31 21:59:06,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.4014801110083257) internal successors, (1515), 1108 states have internal predecessors, (1515), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 21:59:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1579 transitions. [2024-10-31 21:59:06,140 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1579 transitions. Word has length 187 [2024-10-31 21:59:06,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:06,140 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1579 transitions. [2024-10-31 21:59:06,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 21:59:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1579 transitions. [2024-10-31 21:59:06,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-31 21:59:06,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:06,143 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:06,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 21:59:06,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:06,348 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:59:06,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:06,349 INFO L85 PathProgramCache]: Analyzing trace with hash 699965424, now seen corresponding path program 1 times [2024-10-31 21:59:06,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:06,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240792583] [2024-10-31 21:59:06,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:06,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:07,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 21:59:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:07,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 21:59:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:59:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:08,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-31 21:59:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 21:59:08,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:08,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240792583] [2024-10-31 21:59:08,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240792583] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:08,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638696835] [2024-10-31 21:59:08,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:08,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:08,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:08,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 21:59:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:08,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-31 21:59:08,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 21:59:09,133 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:09,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638696835] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:09,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:59:09,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-31 21:59:09,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887089130] [2024-10-31 21:59:09,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:09,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:09,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:09,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:09,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:59:09,136 INFO L87 Difference]: Start difference. First operand 1123 states and 1579 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 21:59:09,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:09,331 INFO L93 Difference]: Finished difference Result 2207 states and 3117 transitions. [2024-10-31 21:59:09,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:09,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-10-31 21:59:09,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:09,338 INFO L225 Difference]: With dead ends: 2207 [2024-10-31 21:59:09,338 INFO L226 Difference]: Without dead ends: 1123 [2024-10-31 21:59:09,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:59:09,341 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 13 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:09,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1846 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:59:09,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-10-31 21:59:09,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1123. [2024-10-31 21:59:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.3996299722479186) internal successors, (1513), 1108 states have internal predecessors, (1513), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 21:59:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1577 transitions. [2024-10-31 21:59:09,391 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1577 transitions. Word has length 188 [2024-10-31 21:59:09,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:09,391 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1577 transitions. [2024-10-31 21:59:09,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 21:59:09,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1577 transitions. [2024-10-31 21:59:09,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-31 21:59:09,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:09,395 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:09,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 21:59:09,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7233339-6dc8-4e2c-80c6-0f7fc1fc9c04/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:09,600 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 21:59:09,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:09,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1408449361, now seen corresponding path program 1 times [2024-10-31 21:59:09,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:09,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952424005] [2024-10-31 21:59:09,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:09,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-31 21:59:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:59:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-31 21:59:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 21:59:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 21:59:10,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:10,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952424005] [2024-10-31 21:59:10,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952424005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:10,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:10,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 21:59:10,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694866357] [2024-10-31 21:59:10,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:10,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:59:10,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:10,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:59:10,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:59:10,304 INFO L87 Difference]: Start difference. First operand 1123 states and 1577 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)