./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.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_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/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_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/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_345a7fd8-9af2-43ea-9175-c5857c811408/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 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:20:16,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:20:16,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:20:16,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:20:16,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:20:16,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:20:16,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:20:16,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:20:16,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:20:16,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:20:16,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:20:16,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:20:16,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:20:16,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:20:16,456 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:20:16,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:20:16,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:20:16,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:20:16,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:20:16,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:20:16,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:20:16,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:20:16,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:20:16,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:20:16,457 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:20:16,457 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:20:16,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:20:16,459 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:20:16,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:20:16,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:20:16,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:20:16,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:20:16,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:20:16,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:20:16,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:20:16,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:20:16,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:20:16,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:20:16,462 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:20:16,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:20:16,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:20:16,463 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:20:16,463 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:20:16,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:20:16,463 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_345a7fd8-9af2-43ea-9175-c5857c811408/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 -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2024-11-13 15:20:16,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:20:16,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:20:16,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:20:16,967 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:20:16,968 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:20:16,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i Unable to find full path for "g++" [2024-11-13 15:20:19,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:20:20,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:20:20,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2024-11-13 15:20:20,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/data/184f185a7/18525bf9b3cf4681998c889ee91e7f0c/FLAG4bfcb27b2 [2024-11-13 15:20:20,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/data/184f185a7/18525bf9b3cf4681998c889ee91e7f0c [2024-11-13 15:20:20,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:20:20,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:20:20,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:20:20,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:20:20,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:20:20,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:20,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63674613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20, skipping insertion in model container [2024-11-13 15:20:20,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:20,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:20:20,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:20:20,668 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:20:20,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:20:20,879 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:20:20,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20 WrapperNode [2024-11-13 15:20:20,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:20:20,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:20:20,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:20:20,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:20:20,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:20,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:20,952 INFO L138 Inliner]: procedures = 145, calls = 299, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 413 [2024-11-13 15:20:20,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:20:20,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:20:20,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:20:20,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:20:20,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:20,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:20,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:21,035 INFO L175 MemorySlicer]: Split 144 memory accesses to 16 slices as follows [2, 8, 8, 8, 29, 21, 5, 13, 0, 7, 7, 7, 5, 6, 13, 5]. 20 percent of accesses are in the largest equivalence class. The 40 initializations are split as follows [2, 3, 3, 3, 9, 9, 0, 0, 0, 3, 3, 3, 0, 2, 0, 0]. The 36 writes are split as follows [0, 2, 2, 2, 11, 6, 1, 1, 0, 2, 2, 2, 1, 2, 1, 1]. [2024-11-13 15:20:21,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:21,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:21,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:21,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:21,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:21,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:21,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:20:21,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:20:21,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:20:21,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:20:21,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (1/1) ... [2024-11-13 15:20:21,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:20:21,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:21,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:21,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:20:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:20:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:20:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:20:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:20:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 15:20:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 15:20:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 15:20:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 15:20:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 15:20:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 15:20:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 15:20:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 15:20:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 15:20:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-13 15:20:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-13 15:20:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-13 15:20:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:20:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:20:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:20:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:20:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 15:20:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 15:20:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 15:20:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 15:20:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 15:20:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 15:20:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 15:20:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 15:20:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 15:20:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-13 15:20:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-13 15:20:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-13 15:20:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:20:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:20:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-13 15:20:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-13 15:20:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 15:20:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-13 15:20:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-13 15:20:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:20:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 15:20:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 15:20:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 15:20:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 15:20:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 15:20:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-13 15:20:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-13 15:20:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-13 15:20:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-13 15:20:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-13 15:20:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-13 15:20:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-13 15:20:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-13 15:20:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-13 15:20:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-13 15:20:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-13 15:20:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:20:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:20:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:20:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:20:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 15:20:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 15:20:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 15:20:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 15:20:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 15:20:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 15:20:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 15:20:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 15:20:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 15:20:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 15:20:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-13 15:20:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-13 15:20:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:20:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:20:21,556 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:20:21,558 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:20:22,773 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-13 15:20:22,773 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:20:22,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:20:22,806 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:20:22,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:20:22 BoogieIcfgContainer [2024-11-13 15:20:22,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:20:22,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:20:22,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:20:22,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:20:22,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:20:20" (1/3) ... [2024-11-13 15:20:22,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694e471b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:20:22, skipping insertion in model container [2024-11-13 15:20:22,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:20" (2/3) ... [2024-11-13 15:20:22,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694e471b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:20:22, skipping insertion in model container [2024-11-13 15:20:22,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:20:22" (3/3) ... [2024-11-13 15:20:22,823 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2024-11-13 15:20:22,842 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:20:22,844 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG cs_szymanski.i that has 6 procedures, 124 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2024-11-13 15:20:22,924 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:20:22,939 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;@108056cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:20:22,939 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 15:20:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 86 states have internal predecessors, (109), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:20:22,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 15:20:22,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:22,952 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 15:20:22,953 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:20:22,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:22,959 INFO L85 PathProgramCache]: Analyzing trace with hash 113632065, now seen corresponding path program 1 times [2024-11-13 15:20:22,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:22,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256038386] [2024-11-13 15:20:22,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:23,688 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 15:20:23,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:23,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256038386] [2024-11-13 15:20:23,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256038386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:23,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:23,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:20:23,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77215813] [2024-11-13 15:20:23,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:23,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:20:23,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:23,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:20:23,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:20:23,738 INFO L87 Difference]: Start difference. First operand has 124 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 86 states have internal predecessors, (109), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 15:20:23,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:20:23,903 INFO L93 Difference]: Finished difference Result 244 states and 380 transitions. [2024-11-13 15:20:23,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:20:23,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2024-11-13 15:20:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:20:23,915 INFO L225 Difference]: With dead ends: 244 [2024-11-13 15:20:23,915 INFO L226 Difference]: Without dead ends: 16 [2024-11-13 15:20:23,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:20:23,930 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 1 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:20:23,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:20:23,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-13 15:20:23,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-13 15:20:23,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 15 states have internal predecessors, (17), 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 15:20:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2024-11-13 15:20:23,979 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 5 [2024-11-13 15:20:23,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:20:23,980 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-13 15:20:23,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 15:20:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-13 15:20:23,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 15:20:23,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:23,981 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-13 15:20:23,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:20:23,981 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:20:23,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:23,982 INFO L85 PathProgramCache]: Analyzing trace with hash 778759054, now seen corresponding path program 1 times [2024-11-13 15:20:23,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:23,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579944520] [2024-11-13 15:20:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:20:24,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:24,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579944520] [2024-11-13 15:20:24,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579944520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:20:24,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613836778] [2024-11-13 15:20:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:24,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:20:24,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:24,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:20:24,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:20:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:24,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:20:24,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:20:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:20:24,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:20:24,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613836778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:24,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:20:24,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 15:20:24,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499538844] [2024-11-13 15:20:24,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:24,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:20:24,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:24,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:20:24,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:20:24,777 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 15:20:24,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:20:24,856 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2024-11-13 15:20:24,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:20:24,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 8 [2024-11-13 15:20:24,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:20:24,862 INFO L225 Difference]: With dead ends: 16 [2024-11-13 15:20:24,862 INFO L226 Difference]: Without dead ends: 15 [2024-11-13 15:20:24,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:20:24,866 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:20:24,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:20:24,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-13 15:20:24,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-13 15:20:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 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 15:20:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-13 15:20:24,873 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 8 [2024-11-13 15:20:24,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:20:24,873 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-13 15:20:24,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 15:20:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-13 15:20:24,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:20:24,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:24,874 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:20:24,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:20:25,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:20:25,080 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:20:25,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:25,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1628274691, now seen corresponding path program 1 times [2024-11-13 15:20:25,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:25,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442099664] [2024-11-13 15:20:25,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:25,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:20:25,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:25,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442099664] [2024-11-13 15:20:25,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442099664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:20:25,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778107423] [2024-11-13 15:20:25,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:25,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:20:25,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:25,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:20:25,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:20:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:25,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:20:25,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:20:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:20:25,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:20:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:20:25,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778107423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:20:25,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:20:25,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-13 15:20:25,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608985195] [2024-11-13 15:20:25,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:20:25,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:20:25,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:25,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:20:25,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:20:25,857 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 15:20:25,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:20:25,944 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2024-11-13 15:20:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:20:25,945 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 9 [2024-11-13 15:20:25,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:20:25,946 INFO L225 Difference]: With dead ends: 32 [2024-11-13 15:20:25,946 INFO L226 Difference]: Without dead ends: 19 [2024-11-13 15:20:25,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:20:25,947 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:20:25,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:20:25,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-13 15:20:25,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-13 15:20:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 15:20:25,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-13 15:20:25,952 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 9 [2024-11-13 15:20:25,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:20:25,953 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-13 15:20:25,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 15:20:25,953 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-13 15:20:25,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 15:20:25,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:25,954 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1] [2024-11-13 15:20:25,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:20:26,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:20:26,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:20:26,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:26,159 INFO L85 PathProgramCache]: Analyzing trace with hash -519004020, now seen corresponding path program 1 times [2024-11-13 15:20:26,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:26,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839178194] [2024-11-13 15:20:26,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:26,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:26,354 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 15:20:26,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:26,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839178194] [2024-11-13 15:20:26,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839178194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:26,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:26,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:20:26,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955635748] [2024-11-13 15:20:26,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:26,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:20:26,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:26,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:20:26,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:20:26,357 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 15:20:26,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:20:26,371 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-13 15:20:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:20:26,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 12 [2024-11-13 15:20:26,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:20:26,373 INFO L225 Difference]: With dead ends: 19 [2024-11-13 15:20:26,373 INFO L226 Difference]: Without dead ends: 18 [2024-11-13 15:20:26,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:20:26,375 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:20:26,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:20:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-13 15:20:26,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-13 15:20:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 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 15:20:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-11-13 15:20:26,380 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 12 [2024-11-13 15:20:26,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:20:26,380 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-13 15:20:26,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 15:20:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-13 15:20:26,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 15:20:26,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:26,382 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-13 15:20:26,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:20:26,382 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:20:26,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:26,383 INFO L85 PathProgramCache]: Analyzing trace with hash 233640157, now seen corresponding path program 2 times [2024-11-13 15:20:26,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:26,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265889808] [2024-11-13 15:20:26,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:26,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:20:26,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:26,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265889808] [2024-11-13 15:20:26,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265889808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:26,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:26,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:20:26,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331787031] [2024-11-13 15:20:26,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:26,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:20:26,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:26,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:20:26,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:20:26,659 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 15:20:26,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:20:26,736 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2024-11-13 15:20:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:20:26,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 15 [2024-11-13 15:20:26,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:20:26,737 INFO L225 Difference]: With dead ends: 34 [2024-11-13 15:20:26,737 INFO L226 Difference]: Without dead ends: 32 [2024-11-13 15:20:26,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:20:26,739 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:20:26,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:20:26,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-13 15:20:26,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-13 15:20:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 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 15:20:26,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2024-11-13 15:20:26,745 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 15 [2024-11-13 15:20:26,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:20:26,746 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2024-11-13 15:20:26,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 15:20:26,746 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2024-11-13 15:20:26,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 15:20:26,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:26,747 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 15:20:26,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:20:26,747 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:20:26,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:26,747 INFO L85 PathProgramCache]: Analyzing trace with hash -244546521, now seen corresponding path program 1 times [2024-11-13 15:20:26,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:26,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438101849] [2024-11-13 15:20:26,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:26,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 15:20:27,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:27,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438101849] [2024-11-13 15:20:27,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438101849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:20:27,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655011099] [2024-11-13 15:20:27,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:27,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:20:27,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:27,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:20:27,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:20:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:27,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:20:27,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:20:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 15:20:27,832 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:20:27,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655011099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:27,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:20:27,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 15:20:27,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833715157] [2024-11-13 15:20:27,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:27,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:20:27,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:27,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:20:27,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:20:27,838 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 15:20:27,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:20:27,949 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2024-11-13 15:20:27,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:20:27,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 29 [2024-11-13 15:20:27,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:20:27,951 INFO L225 Difference]: With dead ends: 32 [2024-11-13 15:20:27,951 INFO L226 Difference]: Without dead ends: 31 [2024-11-13 15:20:27,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:20:27,953 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:20:27,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:20:27,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-13 15:20:27,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-13 15:20:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 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 15:20:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-11-13 15:20:27,961 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 29 [2024-11-13 15:20:27,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:20:27,962 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-11-13 15:20:27,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 15:20:27,962 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-11-13 15:20:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 15:20:27,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:27,963 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-13 15:20:27,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:20:28,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:20:28,168 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:20:28,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:28,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1008992590, now seen corresponding path program 1 times [2024-11-13 15:20:28,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:28,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285428224] [2024-11-13 15:20:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:28,460 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 15:20:28,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:28,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285428224] [2024-11-13 15:20:28,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285428224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:28,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:28,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:20:28,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690790362] [2024-11-13 15:20:28,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:28,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:20:28,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:28,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:20:28,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:20:28,462 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 15:20:28,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:20:28,506 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2024-11-13 15:20:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:20:28,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 30 [2024-11-13 15:20:28,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:20:28,507 INFO L225 Difference]: With dead ends: 31 [2024-11-13 15:20:28,507 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:20:28,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:20:28,508 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 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 15:20:28,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:20:28,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:20:28,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:20:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:20:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:20:28,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2024-11-13 15:20:28,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:20:28,510 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:20:28,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 15:20:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:20:28,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:20:28,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-13 15:20:28,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-13 15:20:28,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-13 15:20:28,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-13 15:20:28,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-13 15:20:28,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-13 15:20:28,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-13 15:20:28,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-13 15:20:28,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:20:28,519 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-11-13 15:20:28,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:20:28,747 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:20:28,777 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 15:20:28,778 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 15:20:28,778 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 15:20:28,784 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 15:20:28,785 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 15:20:28,786 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 15:20:28,786 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_allocated by function __CS_pthread_create [2024-11-13 15:20:28,786 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_born_round by function __CS_pthread_create [2024-11-13 15:20:28,786 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_status by function __CS_pthread_create [2024-11-13 15:20:28,787 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_lockedon by function __CS_pthread_create [2024-11-13 15:20:28,787 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable flag1 by function __CS_pthread_create [2024-11-13 15:20:28,787 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable flag2 by function __CS_pthread_create [2024-11-13 15:20:28,787 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable x by function __CS_pthread_create [2024-11-13 15:20:28,787 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread by function __CS_pthread_create [2024-11-13 15:20:28,788 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 15:20:28,788 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 15:20:28,788 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 15:20:28,789 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 15:20:28,789 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 15:20:28,789 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 15:20:28,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:20:28 BoogieIcfgContainer [2024-11-13 15:20:28,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:20:28,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:20:28,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:20:28,795 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:20:28,796 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:20:22" (3/4) ... [2024-11-13 15:20:28,799 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:20:28,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2024-11-13 15:20:28,807 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-13 15:20:28,807 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2024-11-13 15:20:28,807 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 15:20:28,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2024-11-13 15:20:28,829 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-13 15:20:28,829 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 15:20:28,830 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 15:20:28,830 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:20:29,017 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:20:29,017 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:20:29,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:20:29,020 INFO L158 Benchmark]: Toolchain (without parser) took 8934.63ms. Allocated memory was 167.8MB in the beginning and 402.7MB in the end (delta: 234.9MB). Free memory was 128.8MB in the beginning and 330.4MB in the end (delta: -201.7MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-13 15:20:29,020 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:29,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.77ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 101.1MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:20:29,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.93ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 97.1MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:20:29,024 INFO L158 Benchmark]: Boogie Preprocessor took 145.15ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 90.8MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:20:29,024 INFO L158 Benchmark]: RCFGBuilder took 1706.43ms. Allocated memory is still 167.8MB. Free memory was 90.8MB in the beginning and 100.9MB in the end (delta: -10.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-11-13 15:20:29,024 INFO L158 Benchmark]: TraceAbstraction took 5981.67ms. Allocated memory was 167.8MB in the beginning and 402.7MB in the end (delta: 234.9MB). Free memory was 100.3MB in the beginning and 338.5MB in the end (delta: -238.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:29,025 INFO L158 Benchmark]: Witness Printer took 223.85ms. Allocated memory is still 402.7MB. Free memory was 338.5MB in the beginning and 330.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:20:29,031 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.77ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 101.1MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.93ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 97.1MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.15ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 90.8MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1706.43ms. Allocated memory is still 167.8MB. Free memory was 90.8MB in the beginning and 100.9MB in the end (delta: -10.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5981.67ms. Allocated memory was 167.8MB in the beginning and 402.7MB in the end (delta: 234.9MB). Free memory was 100.3MB in the beginning and 338.5MB in the end (delta: -238.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 223.85ms. Allocated memory is still 402.7MB. Free memory was 338.5MB in the beginning and 330.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_allocated by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_born_round by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_status by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_lockedon by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable flag1 by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable flag2 by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable x by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 124 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 618 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 410 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 208 mSDtfsCounter, 143 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1287 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 170/212 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((i == 0) && (j == 0)) || ((i == 0) && (1 <= j))) || (((1 <= i) && (i <= 2)) && (j == 0))) || (((1 <= i) && (i <= 2)) && (1 <= j))) - ProcedureContractResult [Line: 642]: Procedure Contract for __CS_pthread_join Derived contract for procedure __CS_pthread_join. Ensures: (((((((((((((((((__CS_round == \old(__CS_round)) && (__CS_ret_PREEMPTED == \old(__CS_ret_PREEMPTED))) && (__CS_ret_ERROR == \old(__CS_ret_ERROR))) && (__CS_ret_FINISHED == \old(__CS_ret_FINISHED))) && (__CS_thread_index == \old(__CS_thread_index))) && (__CS_thread_allocated == \old(__CS_thread_allocated))) && (__CS_thread_born_round == \old(__CS_thread_born_round))) && (__CS_thread_status == \old(__CS_thread_status))) && (__THREAD_UNUSED == \old(__THREAD_UNUSED))) && (__THREAD_RUNNING == \old(__THREAD_RUNNING))) && (__THREAD_FINISHED == \old(__THREAD_FINISHED))) && (__CS_thread_lockedon == \old(__CS_thread_lockedon))) && (flag1 == \old(flag1))) && (flag2 == \old(flag2))) && (x == \old(x))) && (__CS_u == \old(__CS_u))) && (__CS_thread == \old(__CS_thread))) - ProcedureContractResult [Line: 664]: Procedure Contract for __CS_pthread_create Derived contract for procedure __CS_pthread_create. Ensures: ((((((((((__CS_round == \old(__CS_round)) && (__CS_ret == \old(__CS_ret))) && (__CS_ret_PREEMPTED == \old(__CS_ret_PREEMPTED))) && (__CS_ret_ERROR == \old(__CS_ret_ERROR))) && (__CS_ret_FINISHED == \old(__CS_ret_FINISHED))) && (__CS_error == \old(__CS_error))) && (__THREAD_UNUSED == \old(__THREAD_UNUSED))) && (__THREAD_RUNNING == \old(__THREAD_RUNNING))) && (__THREAD_FINISHED == \old(__THREAD_FINISHED))) && (__CS_u == \old(__CS_u))) - ProcedureContractResult [Line: 5]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((((((((((((__CS_round == \old(__CS_round)) && (__CS_ret == \old(__CS_ret))) && (__CS_ret_PREEMPTED == \old(__CS_ret_PREEMPTED))) && (__CS_ret_ERROR == \old(__CS_ret_ERROR))) && (__CS_ret_FINISHED == \old(__CS_ret_FINISHED))) && (__CS_error == \old(__CS_error))) && (__CS_thread_index == \old(__CS_thread_index))) && (__CS_thread_allocated == \old(__CS_thread_allocated))) && (__CS_thread_born_round == \old(__CS_thread_born_round))) && (__CS_thread_status == \old(__CS_thread_status))) && (__THREAD_UNUSED == \old(__THREAD_UNUSED))) && (__THREAD_RUNNING == \old(__THREAD_RUNNING))) && (__THREAD_FINISHED == \old(__THREAD_FINISHED))) && (__CS_thread_lockedon == \old(__CS_thread_lockedon))) && (flag1 == \old(flag1))) && (flag2 == \old(flag2))) && (x == \old(x))) && (__CS_u == \old(__CS_u))) && (__CS_thread == \old(__CS_thread))) - ProcedureContractResult [Line: 562]: Procedure Contract for __CS_cs Derived contract for procedure __CS_cs. Ensures: (((((((((((((((((__CS_ret_PREEMPTED == \old(__CS_ret_PREEMPTED)) && (__CS_ret_ERROR == \old(__CS_ret_ERROR))) && (__CS_ret_FINISHED == \old(__CS_ret_FINISHED))) && (__CS_error == \old(__CS_error))) && (__CS_thread_index == \old(__CS_thread_index))) && (__CS_thread_allocated == \old(__CS_thread_allocated))) && (__CS_thread_born_round == \old(__CS_thread_born_round))) && (__CS_thread_status == \old(__CS_thread_status))) && (__THREAD_UNUSED == \old(__THREAD_UNUSED))) && (__THREAD_RUNNING == \old(__THREAD_RUNNING))) && (__THREAD_FINISHED == \old(__THREAD_FINISHED))) && (__CS_thread_lockedon == \old(__CS_thread_lockedon))) && (flag1 == \old(flag1))) && (flag2 == \old(flag2))) && (x == \old(x))) && (__CS_u == \old(__CS_u))) && (__CS_thread == \old(__CS_thread))) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:20:29,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345a7fd8-9af2-43ea-9175-c5857c811408/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE