./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd --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 e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:52:51,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:52:51,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 12:52:51,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:52:51,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:52:51,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:52:51,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:52:51,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:52:51,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:52:51,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:52:51,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:52:51,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:52:51,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:52:51,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:52:51,461 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:52:51,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:52:51,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:52:51,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:52:51,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:52:51,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:52:51,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:52:51,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:52:51,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:52:51,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:52:51,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:52:51,462 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:52:51,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:52:51,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:52:51,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:52:51,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:52:51,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:52:51,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:52:51,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:52:51,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:52:51,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:52:51,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:52:51,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:52:51,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:52:51,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:52:51,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:52:51,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:52:51,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:52:51,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:52:51,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:52:51,466 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd 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 -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2024-11-13 12:52:51,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:52:51,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:52:51,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:52:51,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:52:51,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:52:51,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i Unable to find full path for "g++" [2024-11-13 12:52:53,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:52:54,251 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:52:54,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2024-11-13 12:52:54,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/data/a7cbd11fa/fb5ab73ebb674e89a267d63081f7afc5/FLAG572531ab6 [2024-11-13 12:52:54,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/data/a7cbd11fa/fb5ab73ebb674e89a267d63081f7afc5 [2024-11-13 12:52:54,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:52:54,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:52:54,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:52:54,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:52:54,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:52:54,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:52:54" (1/1) ... [2024-11-13 12:52:54,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e8d5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:54, skipping insertion in model container [2024-11-13 12:52:54,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:52:54" (1/1) ... [2024-11-13 12:52:54,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:52:55,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:52:55,310 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:52:55,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:52:55,646 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:52:55,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55 WrapperNode [2024-11-13 12:52:55,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:52:55,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:52:55,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:52:55,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:52:55,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:55,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:55,897 INFO L138 Inliner]: procedures = 177, calls = 724, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3260 [2024-11-13 12:52:55,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:52:55,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:52:55,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:52:55,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:52:55,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:55,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:55,936 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:56,049 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 172, 34]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 42, 4]. [2024-11-13 12:52:56,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:56,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:56,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:56,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:56,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:56,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:56,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:52:56,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:52:56,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:52:56,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:52:56,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (1/1) ... [2024-11-13 12:52:56,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:52:56,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:52:56,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:52:56,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:52:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-13 12:52:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-13 12:52:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 12:52:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 12:52:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 12:52:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-13 12:52:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 12:52:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 12:52:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 12:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:52:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:52:56,661 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:52:56,663 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:53:00,569 INFO L? ?]: Removed 808 outVars from TransFormulas that were not future-live. [2024-11-13 12:53:00,569 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:53:00,634 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:53:00,634 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-13 12:53:00,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:53:00 BoogieIcfgContainer [2024-11-13 12:53:00,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:53:00,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:53:00,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:53:00,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:53:00,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:52:54" (1/3) ... [2024-11-13 12:53:00,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f3b264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:53:00, skipping insertion in model container [2024-11-13 12:53:00,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:55" (2/3) ... [2024-11-13 12:53:00,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f3b264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:53:00, skipping insertion in model container [2024-11-13 12:53:00,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:53:00" (3/3) ... [2024-11-13 12:53:00,644 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-1.i [2024-11-13 12:53:00,659 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:53:00,661 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test9-1.i that has 6 procedures, 1396 locations, 1 initial locations, 33 loop locations, and 8 error locations. [2024-11-13 12:53:00,783 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:53:00,800 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;@18f98b0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:53:00,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 12:53:00,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 1388 states, 871 states have (on average 1.8392652123995408) internal successors, (1602), 1381 states have internal predecessors, (1602), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-13 12:53:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 12:53:00,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:53:00,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:53:00,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 12:53:00,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:53:00,825 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-13 12:53:00,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:53:00,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352449655] [2024-11-13 12:53:00,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:00,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:53:01,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:01,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352449655] [2024-11-13 12:53:01,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352449655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:53:01,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:53:01,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:53:01,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780715194] [2024-11-13 12:53:01,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:53:01,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:53:01,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:53:01,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:53:01,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:53:01,112 INFO L87 Difference]: Start difference. First operand has 1388 states, 871 states have (on average 1.8392652123995408) internal successors, (1602), 1381 states have internal predecessors, (1602), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2024-11-13 12:53:01,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:53:01,335 INFO L93 Difference]: Finished difference Result 2772 states and 5721 transitions. [2024-11-13 12:53:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:53:01,337 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2024-11-13 12:53:01,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:53:01,380 INFO L225 Difference]: With dead ends: 2772 [2024-11-13 12:53:01,381 INFO L226 Difference]: Without dead ends: 1379 [2024-11-13 12:53:01,394 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 [2024-11-13 12:53:01,397 INFO L432 NwaCegarLoop]: 2549 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, 2549 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 [2024-11-13 12:53:01,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2549 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:53:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-13 12:53:01,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1379. [2024-11-13 12:53:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 866 states have (on average 1.7725173210161662) internal successors, (1535), 1373 states have internal predecessors, (1535), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-13 12:53:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 2541 transitions. [2024-11-13 12:53:02,032 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 2541 transitions. Word has length 7 [2024-11-13 12:53:02,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:53:02,033 INFO L471 AbstractCegarLoop]: Abstraction has 1379 states and 2541 transitions. [2024-11-13 12:53:02,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2024-11-13 12:53:02,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2541 transitions. [2024-11-13 12:53:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 12:53:02,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:53:02,035 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:53:02,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:53:02,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 12:53:02,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:53:02,037 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-13 12:53:02,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:53:02,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929746964] [2024-11-13 12:53:02,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:02,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 12:53:02,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471565991] [2024-11-13 12:53:02,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:02,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:53:02,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:53:02,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:53:02,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:53:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:02,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:53:02,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:53:02,382 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 [2024-11-13 12:53:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:53:02,449 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:53:02,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:02,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929746964] [2024-11-13 12:53:02,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 12:53:02,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471565991] [2024-11-13 12:53:02,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471565991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:53:02,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:53:02,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:53:02,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58634730] [2024-11-13 12:53:02,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:53:02,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:53:02,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:53:02,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:53:02,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:53:02,454 INFO L87 Difference]: Start difference. First operand 1379 states and 2541 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-13 12:53:03,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:53:03,852 INFO L93 Difference]: Finished difference Result 2748 states and 5073 transitions. [2024-11-13 12:53:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:53:03,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2024-11-13 12:53:03,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:53:03,889 INFO L225 Difference]: With dead ends: 2748 [2024-11-13 12:53:03,889 INFO L226 Difference]: Without dead ends: 2746 [2024-11-13 12:53:03,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:53:03,893 INFO L432 NwaCegarLoop]: 2775 mSDtfsCounter, 1519 mSDsluCounter, 4788 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7563 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:53:03,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7563 Invalid, 575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 12:53:03,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2024-11-13 12:53:04,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 1385. [2024-11-13 12:53:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.768348623853211) internal successors, (1542), 1379 states have internal predecessors, (1542), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-13 12:53:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2548 transitions. [2024-11-13 12:53:04,477 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2548 transitions. Word has length 7 [2024-11-13 12:53:04,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:53:04,478 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2548 transitions. [2024-11-13 12:53:04,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-13 12:53:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2548 transitions. [2024-11-13 12:53:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 12:53:04,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:53:04,484 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] [2024-11-13 12:53:04,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 12:53:04,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-13 12:53:04,687 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 12:53:04,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:53:04,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1567132895, now seen corresponding path program 1 times [2024-11-13 12:53:04,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:53:04,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878797917] [2024-11-13 12:53:04,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:04,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:05,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:53:05,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:05,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878797917] [2024-11-13 12:53:05,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878797917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:53:05,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:53:05,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:53:05,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596650685] [2024-11-13 12:53:05,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:53:05,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:53:05,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:53:05,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:53:05,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:53:05,343 INFO L87 Difference]: Start difference. First operand 1385 states and 2548 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-13 12:53:06,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:53:06,627 INFO L93 Difference]: Finished difference Result 3915 states and 7314 transitions. [2024-11-13 12:53:06,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:53:06,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2024-11-13 12:53:06,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:53:06,655 INFO L225 Difference]: With dead ends: 3915 [2024-11-13 12:53:06,656 INFO L226 Difference]: Without dead ends: 2745 [2024-11-13 12:53:06,662 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 [2024-11-13 12:53:06,663 INFO L432 NwaCegarLoop]: 2770 mSDtfsCounter, 1520 mSDsluCounter, 4784 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 7554 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:53:06,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 7554 Invalid, 568 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 12:53:06,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2024-11-13 12:53:06,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 1385. [2024-11-13 12:53:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.7672018348623852) internal successors, (1541), 1379 states have internal predecessors, (1541), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-13 12:53:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2547 transitions. [2024-11-13 12:53:06,985 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2547 transitions. Word has length 64 [2024-11-13 12:53:06,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:53:06,986 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2547 transitions. [2024-11-13 12:53:06,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-13 12:53:06,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2547 transitions. [2024-11-13 12:53:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 12:53:06,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:53:06,988 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] [2024-11-13 12:53:06,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:53:06,989 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 12:53:06,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:53:06,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1884265377, now seen corresponding path program 1 times [2024-11-13 12:53:06,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:53:06,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348774488] [2024-11-13 12:53:06,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:06,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:53:07,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:07,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348774488] [2024-11-13 12:53:07,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348774488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:53:07,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:53:07,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:53:07,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013473798] [2024-11-13 12:53:07,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:53:07,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:53:07,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:53:07,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:53:07,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:53:07,351 INFO L87 Difference]: Start difference. First operand 1385 states and 2547 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-13 12:53:07,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:53:07,549 INFO L93 Difference]: Finished difference Result 2765 states and 5089 transitions. [2024-11-13 12:53:07,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:53:07,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2024-11-13 12:53:07,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:53:07,563 INFO L225 Difference]: With dead ends: 2765 [2024-11-13 12:53:07,563 INFO L226 Difference]: Without dead ends: 1388 [2024-11-13 12:53:07,570 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 [2024-11-13 12:53:07,571 INFO L432 NwaCegarLoop]: 2513 mSDtfsCounter, 106 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 7446 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:53:07,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 7446 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:53:07,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2024-11-13 12:53:07,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1385. [2024-11-13 12:53:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.7591743119266054) internal successors, (1534), 1379 states have internal predecessors, (1534), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-13 12:53:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2540 transitions. [2024-11-13 12:53:07,777 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2540 transitions. Word has length 81 [2024-11-13 12:53:07,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:53:07,778 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2540 transitions. [2024-11-13 12:53:07,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-13 12:53:07,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2540 transitions. [2024-11-13 12:53:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 12:53:07,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:53:07,785 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] [2024-11-13 12:53:07,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:53:07,785 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 12:53:07,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:53:07,786 INFO L85 PathProgramCache]: Analyzing trace with hash -361185519, now seen corresponding path program 1 times [2024-11-13 12:53:07,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:53:07,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306723098] [2024-11-13 12:53:07,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:07,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:53:08,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:08,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306723098] [2024-11-13 12:53:08,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306723098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:53:08,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:53:08,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:53:08,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284523859] [2024-11-13 12:53:08,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:53:08,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:53:08,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:53:08,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:53:08,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:53:08,089 INFO L87 Difference]: Start difference. First operand 1385 states and 2540 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-13 12:53:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:53:08,233 INFO L93 Difference]: Finished difference Result 2714 states and 4997 transitions. [2024-11-13 12:53:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:53:08,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2024-11-13 12:53:08,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:53:08,246 INFO L225 Difference]: With dead ends: 2714 [2024-11-13 12:53:08,247 INFO L226 Difference]: Without dead ends: 1337 [2024-11-13 12:53:08,253 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 [2024-11-13 12:53:08,255 INFO L432 NwaCegarLoop]: 2438 mSDtfsCounter, 9 mSDsluCounter, 4857 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 7295 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:53:08,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 7295 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:53:08,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-11-13 12:53:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1337. [2024-11-13 12:53:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 824 states have (on average 1.7645631067961165) internal successors, (1454), 1331 states have internal predecessors, (1454), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-13 12:53:08,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 2460 transitions. [2024-11-13 12:53:08,460 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 2460 transitions. Word has length 81 [2024-11-13 12:53:08,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:53:08,462 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 2460 transitions. [2024-11-13 12:53:08,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-13 12:53:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 2460 transitions. [2024-11-13 12:53:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 12:53:08,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:53:08,465 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] [2024-11-13 12:53:08,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:53:08,465 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 12:53:08,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:53:08,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1237204525, now seen corresponding path program 1 times [2024-11-13 12:53:08,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:53:08,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244854593] [2024-11-13 12:53:08,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:08,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:53:08,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:08,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244854593] [2024-11-13 12:53:08,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244854593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:53:08,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:53:08,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:53:08,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386082528] [2024-11-13 12:53:08,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:53:08,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:53:08,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:53:08,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:53:08,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:53:08,791 INFO L87 Difference]: Start difference. First operand 1337 states and 2460 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-13 12:53:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:53:09,088 INFO L93 Difference]: Finished difference Result 3889 states and 7230 transitions. [2024-11-13 12:53:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:53:09,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2024-11-13 12:53:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:53:09,117 INFO L225 Difference]: With dead ends: 3889 [2024-11-13 12:53:09,117 INFO L226 Difference]: Without dead ends: 2560 [2024-11-13 12:53:09,125 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 [2024-11-13 12:53:09,126 INFO L432 NwaCegarLoop]: 2905 mSDtfsCounter, 1263 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:53:09,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 5345 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:53:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2024-11-13 12:53:09,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 2556. [2024-11-13 12:53:09,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 1543 states have (on average 1.7952041477640959) internal successors, (2770), 2550 states have internal predecessors, (2770), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-13 12:53:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 4776 transitions. [2024-11-13 12:53:09,554 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 4776 transitions. Word has length 81 [2024-11-13 12:53:09,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:53:09,554 INFO L471 AbstractCegarLoop]: Abstraction has 2556 states and 4776 transitions. [2024-11-13 12:53:09,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-13 12:53:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 4776 transitions. [2024-11-13 12:53:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 12:53:09,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:53:09,558 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] [2024-11-13 12:53:09,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 12:53:09,558 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 12:53:09,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:53:09,559 INFO L85 PathProgramCache]: Analyzing trace with hash -53956747, now seen corresponding path program 1 times [2024-11-13 12:53:09,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:53:09,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216385211] [2024-11-13 12:53:09,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:09,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:10,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 12:53:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:10,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 12:53:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 12:53:10,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:10,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216385211] [2024-11-13 12:53:10,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216385211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:53:10,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:53:10,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:53:10,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259998647] [2024-11-13 12:53:10,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:53:10,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:53:10,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:53:10,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:53:10,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:53:10,167 INFO L87 Difference]: Start difference. First operand 2556 states and 4776 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2024-11-13 12:53:17,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:53:17,105 INFO L93 Difference]: Finished difference Result 4801 states and 9126 transitions. [2024-11-13 12:53:17,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:53:17,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 96 [2024-11-13 12:53:17,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:53:17,154 INFO L225 Difference]: With dead ends: 4801 [2024-11-13 12:53:17,154 INFO L226 Difference]: Without dead ends: 4799 [2024-11-13 12:53:17,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:53:17,160 INFO L432 NwaCegarLoop]: 2709 mSDtfsCounter, 1353 mSDsluCounter, 4794 mSDsCounter, 0 mSdLazyCounter, 2644 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 7503 SdHoareTripleChecker+Invalid, 3650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-13 12:53:17,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1855 Valid, 7503 Invalid, 3650 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1006 Valid, 2644 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-13 12:53:17,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4799 states. [2024-11-13 12:53:18,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4799 to 2620. [2024-11-13 12:53:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 1604 states have (on average 1.7755610972568578) internal successors, (2848), 2611 states have internal predecessors, (2848), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-13 12:53:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 4860 transitions. [2024-11-13 12:53:18,098 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 4860 transitions. Word has length 96 [2024-11-13 12:53:18,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:53:18,099 INFO L471 AbstractCegarLoop]: Abstraction has 2620 states and 4860 transitions. [2024-11-13 12:53:18,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2024-11-13 12:53:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 4860 transitions. [2024-11-13 12:53:18,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 12:53:18,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:53:18,102 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:53:18,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:53:18,104 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 12:53:18,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:53:18,104 INFO L85 PathProgramCache]: Analyzing trace with hash 767862880, now seen corresponding path program 1 times [2024-11-13 12:53:18,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:53:18,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717396441] [2024-11-13 12:53:18,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:18,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 12:53:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:18,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 12:53:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:53:18,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:18,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717396441] [2024-11-13 12:53:18,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717396441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:53:18,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281260115] [2024-11-13 12:53:18,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:18,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:53:18,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:53:18,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:53:18,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:53:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:19,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 12:53:19,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:53:19,445 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 [2024-11-13 12:53:19,471 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 [2024-11-13 12:53:19,492 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 27 treesize of output 11 [2024-11-13 12:53:24,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:53:24,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-11-13 12:53:24,664 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 12:53:24,664 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:53:24,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281260115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:53:24,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:53:24,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-13 12:53:24,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816431215] [2024-11-13 12:53:24,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:53:24,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 12:53:24,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:53:24,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 12:53:24,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=149, Unknown=1, NotChecked=0, Total=182 [2024-11-13 12:53:24,668 INFO L87 Difference]: Start difference. First operand 2620 states and 4860 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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) [2024-11-13 12:53:28,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 12:53:37,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 12:53:41,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 12:53:45,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 12:53:50,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:53:50,613 INFO L93 Difference]: Finished difference Result 7376 states and 13932 transitions. [2024-11-13 12:53:50,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 12:53:50,615 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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 102 [2024-11-13 12:53:50,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:53:50,664 INFO L225 Difference]: With dead ends: 7376 [2024-11-13 12:53:50,665 INFO L226 Difference]: Without dead ends: 4796 [2024-11-13 12:53:50,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=92, Invalid=368, Unknown=2, NotChecked=0, Total=462 [2024-11-13 12:53:50,679 INFO L432 NwaCegarLoop]: 2667 mSDtfsCounter, 1529 mSDsluCounter, 17447 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 20114 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-13 12:53:50,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 20114 Invalid, 1289 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1280 Invalid, 4 Unknown, 0 Unchecked, 20.8s Time] [2024-11-13 12:53:50,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4796 states. [2024-11-13 12:53:51,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4796 to 2620. [2024-11-13 12:53:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 1604 states have (on average 1.7749376558603491) internal successors, (2847), 2611 states have internal predecessors, (2847), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-13 12:53:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 4859 transitions. [2024-11-13 12:53:51,606 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 4859 transitions. Word has length 102 [2024-11-13 12:53:51,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:53:51,607 INFO L471 AbstractCegarLoop]: Abstraction has 2620 states and 4859 transitions. [2024-11-13 12:53:51,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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) [2024-11-13 12:53:51,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 4859 transitions. [2024-11-13 12:53:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 12:53:51,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:53:51,608 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:53:51,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 12:53:51,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-13 12:53:51,813 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 12:53:51,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:53:51,814 INFO L85 PathProgramCache]: Analyzing trace with hash 222735897, now seen corresponding path program 1 times [2024-11-13 12:53:51,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:53:51,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840146538] [2024-11-13 12:53:51,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:51,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:52,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 12:53:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:52,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 12:53:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:53:52,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:52,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840146538] [2024-11-13 12:53:52,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840146538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:53:52,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142604874] [2024-11-13 12:53:52,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:52,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:53:52,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:53:52,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:53:52,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:53:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:53,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 12:53:53,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:54:26,477 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:54:38,495 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:54:59,665 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:55:11,680 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:55:25,868 WARN L286 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 37 DAG size of output: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:55:41,133 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:55:50,549 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:56:02,565 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:56:27,081 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:56:47,767 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:57:03,815 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:57:14,087 WARN L286 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:57:26,102 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:57:46,334 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:57:54,972 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:58:04,072 WARN L286 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:58:16,148 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:58:24,642 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:58:36,657 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:58:57,224 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:59:02,676 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:59:12,076 WARN L286 SmtUtils]: Spent 9.40s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:59:22,485 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:59:27,650 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:59:36,948 WARN L286 SmtUtils]: Spent 9.30s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:59:49,025 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 12:59:58,255 WARN L286 SmtUtils]: Spent 9.23s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:00:10,266 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:00:31,173 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:00:36,732 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:00:48,742 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:01:00,844 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:01:08,263 WARN L286 SmtUtils]: Spent 7.42s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:01:20,275 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:01:40,733 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:01:55,016 WARN L286 SmtUtils]: Spent 9.81s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:02:07,118 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:02:12,854 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:02:24,867 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:02:33,514 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse14 (mod (+ (* 4294967295 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4276993779) 4294967296))) (let ((.cse9 (* .cse14 256)) (.cse11 (mod (+ 2690382803 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4294967296)) (.cse13 (* (- 1) |c_ULTIMATE.start_main_~_ha_hashv~0#1|)) (.cse15 (* 16777215 |c_ULTIMATE.start_main_~_ha_hashv~0#1|))) (or (exists ((v_z_31 Int)) (and (<= 0 v_z_31) (<= v_z_31 16777215) (exists ((v_z_10 Int)) (and (<= 0 v_z_10) (exists ((v_z_13 Int)) (let ((.cse0 (mod (+ (* 16711680 v_z_10) .cse15 14384614 (* v_z_13 16776960)) 16777216))) (and (<= 0 v_z_13) (<= 16777216 (+ v_z_31 .cse0)) (<= v_z_13 255) (exists ((v_y_19 Int)) (let ((.cse12 (* .cse0 16777215))) (let ((.cse2 (* v_y_19 16777216)) (.cse1 (+ (* v_z_31 16777215) .cse12))) (and (<= .cse1 (+ .cse2 562949919866880)) (<= (+ .cse2 562949919866625) .cse1) (exists ((v_y_31 Int)) (let ((.cse3 (* v_y_31 16777216))) (and (<= (+ v_z_31 .cse3) 4294967295) (exists ((v_y_27 Int) (v_y_20 Int)) (let ((.cse10 (* v_y_27 4294967296)) (.cse8 (div (+ (* v_z_10 (- 65536)) (* v_z_13 (- 256)) .cse12 (- 562941365879322) .cse13) 16777216)) (.cse4 (* v_z_31 255)) (.cse5 (* v_y_20 256)) (.cse6 (* v_y_27 256)) (.cse7 (* v_y_31 4294967295))) (and (<= (+ .cse4 .cse5 v_y_19 .cse6 .cse7) .cse8) (= .cse9 (+ 1099511627776 (* v_y_31 72057589726183424) (* v_z_31 4294967039) .cse10 (* v_y_20 4294967296))) (= (+ .cse11 (* 72057594021150720 v_y_31) .cse10 (* v_z_31 4294967295)) 4294967296) (<= .cse8 (+ .cse4 .cse5 v_y_19 255 .cse6 .cse7))))) (<= 4294967296 (+ .cse14 v_z_31 .cse3)))))))))))) (<= v_z_10 255))))) (exists ((v_z_31 Int)) (and (exists ((v_z_10 Int)) (and (exists ((v_z_13 Int)) (let ((.cse26 (mod (+ (* 16711680 v_z_10) .cse15 14384614 (* v_z_13 16776960)) 16777216))) (and (exists ((v_y_19 Int)) (let ((.cse24 (* .cse26 16777215))) (let ((.cse17 (* v_y_19 16777216)) (.cse16 (+ (* v_z_31 16777215) .cse24))) (and (<= .cse16 (+ .cse17 562949919866880)) (<= (+ .cse17 562949919866625) .cse16) (exists ((v_y_31 Int)) (let ((.cse25 (* v_y_31 16777216))) (and (exists ((v_y_27 Int) (v_y_20 Int)) (let ((.cse23 (* v_y_27 4294967296)) (.cse22 (div (+ (* v_z_10 (- 65536)) (* v_z_13 (- 256)) .cse24 (- 562941365879322) .cse13) 16777216)) (.cse18 (* v_z_31 255)) (.cse19 (* v_y_20 256)) (.cse20 (* v_y_27 256)) (.cse21 (* v_y_31 4294967295))) (and (<= (+ .cse18 .cse19 v_y_19 .cse20 .cse21) .cse22) (= .cse9 (+ (* v_y_31 72057589726183424) (* v_z_31 4294967039) .cse23 (* v_y_20 4294967296))) (= (+ .cse11 (* 72057594021150720 v_y_31) .cse23 (* v_z_31 4294967295)) 4294967296) (<= .cse22 (+ .cse18 .cse19 v_y_19 255 .cse20 .cse21))))) (<= (+ .cse14 v_z_31 .cse25) 4294967295) (<= 0 (+ v_z_31 .cse25))))))))) (<= 0 v_z_13) (<= 16777216 (+ v_z_31 .cse26)) (<= v_z_13 255)))) (<= 0 v_z_10) (<= v_z_10 255))) (<= 0 v_z_31) (<= v_z_31 16777215)))))) is different from false [2024-11-13 13:02:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:02:34,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:02:34,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142604874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:02:34,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:02:34,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5] total 16 [2024-11-13 13:02:34,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77870034] [2024-11-13 13:02:34,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:02:34,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:02:34,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:02:34,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:02:34,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=174, Unknown=5, NotChecked=26, Total=240 [2024-11-13 13:02:34,487 INFO L87 Difference]: Start difference. First operand 2620 states and 4859 transitions. Second operand has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 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) [2024-11-13 13:02:38,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:02:42,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:02:45,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:02:49,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:02:53,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:02:57,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:01,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:05,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:09,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:13,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:17,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:20,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:24,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:28,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:32,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:36,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:40,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:44,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:48,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:52,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:03:56,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:00,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:04,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:08,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:12,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:16,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:20,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:24,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:28,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:32,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:39,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:41,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:04:41,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:04:41,639 INFO L93 Difference]: Finished difference Result 5200 states and 9676 transitions. [2024-11-13 13:04:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:04:41,640 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 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 103 [2024-11-13 13:04:41,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:04:41,661 INFO L225 Difference]: With dead ends: 5200 [2024-11-13 13:04:41,661 INFO L226 Difference]: Without dead ends: 2620 [2024-11-13 13:04:41,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 21.9s TimeCoverageRelationStatistics Valid=35, Invalid=174, Unknown=5, NotChecked=26, Total=240 [2024-11-13 13:04:41,672 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2 mSDsluCounter, 21255 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 1 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23696 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 126.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:04:41,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 23696 Invalid, 793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 681 Invalid, 31 Unknown, 80 Unchecked, 126.9s Time] [2024-11-13 13:04:41,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2620 states. [2024-11-13 13:04:42,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2620 to 2620. [2024-11-13 13:04:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 1604 states have (on average 1.7736907730673317) internal successors, (2845), 2611 states have internal predecessors, (2845), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-13 13:04:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 4857 transitions. [2024-11-13 13:04:42,279 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 4857 transitions. Word has length 103 [2024-11-13 13:04:42,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:04:42,280 INFO L471 AbstractCegarLoop]: Abstraction has 2620 states and 4857 transitions. [2024-11-13 13:04:42,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 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) [2024-11-13 13:04:42,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 4857 transitions. [2024-11-13 13:04:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 13:04:42,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:04:42,284 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:04:42,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:04:42,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:04:42,489 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:04:42,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:04:42,490 INFO L85 PathProgramCache]: Analyzing trace with hash 821233691, now seen corresponding path program 1 times [2024-11-13 13:04:42,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:04:42,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472433624] [2024-11-13 13:04:42,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:04:42,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:04:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:43,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:04:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:43,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:04:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:04:43,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:04:43,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472433624] [2024-11-13 13:04:43,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472433624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:04:43,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:04:43,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:04:43,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293615085] [2024-11-13 13:04:43,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:04:43,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:04:43,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:04:43,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:04:43,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:04:43,186 INFO L87 Difference]: Start difference. First operand 2620 states and 4857 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-13 13:04:53,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:04:53,113 INFO L93 Difference]: Finished difference Result 5206 states and 9687 transitions. [2024-11-13 13:04:53,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:04:53,114 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 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 104 [2024-11-13 13:04:53,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:04:53,136 INFO L225 Difference]: With dead ends: 5206 [2024-11-13 13:04:53,136 INFO L226 Difference]: Without dead ends: 2629 [2024-11-13 13:04:53,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:04:53,146 INFO L432 NwaCegarLoop]: 2439 mSDtfsCounter, 10 mSDsluCounter, 8848 mSDsCounter, 0 mSdLazyCounter, 2891 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11287 SdHoareTripleChecker+Invalid, 3395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 2891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:04:53,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 11287 Invalid, 3395 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [504 Valid, 2891 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-13 13:04:53,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2024-11-13 13:04:53,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 2626. [2024-11-13 13:04:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2626 states, 1610 states have (on average 1.770807453416149) internal successors, (2851), 2617 states have internal predecessors, (2851), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-13 13:04:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2626 states and 4863 transitions. [2024-11-13 13:04:53,810 INFO L78 Accepts]: Start accepts. Automaton has 2626 states and 4863 transitions. Word has length 104 [2024-11-13 13:04:53,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:04:53,811 INFO L471 AbstractCegarLoop]: Abstraction has 2626 states and 4863 transitions. [2024-11-13 13:04:53,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-13 13:04:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 4863 transitions. [2024-11-13 13:04:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 13:04:53,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:04:53,814 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:04:53,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:04:53,816 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:04:53,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:04:53,817 INFO L85 PathProgramCache]: Analyzing trace with hash -622916910, now seen corresponding path program 1 times [2024-11-13 13:04:53,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:04:53,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242125894] [2024-11-13 13:04:53,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:04:53,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:04:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:54,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:04:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:54,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:04:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:04:54,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:04:54,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242125894] [2024-11-13 13:04:54,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242125894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:04:54,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:04:54,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:04:54,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389668300] [2024-11-13 13:04:54,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:04:54,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:04:54,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:04:54,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:04:54,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:04:54,563 INFO L87 Difference]: Start difference. First operand 2626 states and 4863 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-11-13 13:05:07,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:05:07,077 INFO L93 Difference]: Finished difference Result 5212 states and 9691 transitions. [2024-11-13 13:05:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:05:07,078 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 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 105 [2024-11-13 13:05:07,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:05:07,099 INFO L225 Difference]: With dead ends: 5212 [2024-11-13 13:05:07,099 INFO L226 Difference]: Without dead ends: 2639 [2024-11-13 13:05:07,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:05:07,109 INFO L432 NwaCegarLoop]: 2429 mSDtfsCounter, 14 mSDsluCounter, 10703 mSDsCounter, 0 mSdLazyCounter, 3495 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 13132 SdHoareTripleChecker+Invalid, 3999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 3495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:05:07,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 13132 Invalid, 3999 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [504 Valid, 3495 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-11-13 13:05:07,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2024-11-13 13:05:07,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2634. [2024-11-13 13:05:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2634 states, 1618 states have (on average 1.7682323856613102) internal successors, (2861), 2625 states have internal predecessors, (2861), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-13 13:05:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2634 states and 4873 transitions. [2024-11-13 13:05:07,776 INFO L78 Accepts]: Start accepts. Automaton has 2634 states and 4873 transitions. Word has length 105 [2024-11-13 13:05:07,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:05:07,776 INFO L471 AbstractCegarLoop]: Abstraction has 2634 states and 4873 transitions. [2024-11-13 13:05:07,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-11-13 13:05:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 4873 transitions. [2024-11-13 13:05:07,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 13:05:07,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:05:07,778 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:05:07,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:05:07,779 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:05:07,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:05:07,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1050638666, now seen corresponding path program 1 times [2024-11-13 13:05:07,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:05:07,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028952942] [2024-11-13 13:05:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:05:07,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:05:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:08,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:05:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:05:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:05:08,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:05:08,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028952942] [2024-11-13 13:05:08,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028952942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:05:08,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902933319] [2024-11-13 13:05:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:05:08,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:05:08,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:05:08,421 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:05:08,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:05:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:09,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:05:09,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:05:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:05:09,288 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:05:09,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902933319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:05:09,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:05:09,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-13 13:05:09,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661894680] [2024-11-13 13:05:09,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:05:09,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:05:09,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:05:09,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:05:09,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:05:09,293 INFO L87 Difference]: Start difference. First operand 2634 states and 4873 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:05:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:05:09,465 INFO L93 Difference]: Finished difference Result 5174 states and 9631 transitions. [2024-11-13 13:05:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:05:09,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 105 [2024-11-13 13:05:09,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:05:09,492 INFO L225 Difference]: With dead ends: 5174 [2024-11-13 13:05:09,492 INFO L226 Difference]: Without dead ends: 2637 [2024-11-13 13:05:09,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:05:09,505 INFO L432 NwaCegarLoop]: 2450 mSDtfsCounter, 0 mSDsluCounter, 4896 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7346 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:05:09,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7346 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:05:09,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2024-11-13 13:05:10,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2637. [2024-11-13 13:05:10,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2637 states, 1620 states have (on average 1.7679012345679013) internal successors, (2864), 2628 states have internal predecessors, (2864), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-11-13 13:05:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 4878 transitions. [2024-11-13 13:05:10,117 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 4878 transitions. Word has length 105 [2024-11-13 13:05:10,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:05:10,118 INFO L471 AbstractCegarLoop]: Abstraction has 2637 states and 4878 transitions. [2024-11-13 13:05:10,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:05:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 4878 transitions. [2024-11-13 13:05:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-13 13:05:10,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:05:10,120 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:05:10,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:05:10,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 13:05:10,325 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:05:10,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:05:10,327 INFO L85 PathProgramCache]: Analyzing trace with hash 814092276, now seen corresponding path program 1 times [2024-11-13 13:05:10,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:05:10,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864625876] [2024-11-13 13:05:10,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:05:10,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:05:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:18,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:05:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:19,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:05:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:05:19,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:05:19,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864625876] [2024-11-13 13:05:19,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864625876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:05:19,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443269555] [2024-11-13 13:05:19,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:05:19,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:05:19,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:05:19,662 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:05:19,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116dfc8-14b9-48c8-b2d4-f0deb7930844/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:05:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:20,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-13 13:05:20,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:05:20,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 13:05:20,734 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-13 13:05:20,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-13 13:05:20,768 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 13 treesize of output 9 [2024-11-13 13:05:20,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-13 13:05:20,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-13 13:05:20,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-13 13:05:21,383 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-13 13:05:21,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2024-11-13 13:05:21,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13