./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:42:22,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:42:23,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 06:42:23,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:42:23,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:42:23,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:42:23,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:42:23,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:42:23,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:42:23,064 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:42:23,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:42:23,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:42:23,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:42:23,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:42:23,067 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:42:23,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:42:23,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:42:23,068 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:42:23,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:42:23,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:42:23,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:42:23,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:42:23,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:42:23,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:42:23,072 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:42:23,072 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:42:23,073 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:42:23,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:42:23,073 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:42:23,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:42:23,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:42:23,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:42:23,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:42:23,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:42:23,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:42:23,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:42:23,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:42:23,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:42:23,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:42:23,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:42:23,077 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:42:23,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:42:23,077 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:42:23,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:42:23,078 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2023-11-29 06:42:23,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:42:23,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:42:23,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:42:23,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:42:23,313 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:42:23,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-11-29 06:42:26,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:42:26,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:42:26,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-11-29 06:42:26,346 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/data/b3d6c85c6/65892f84d8da4ed9b30579d9fe238c0e/FLAGcfedd356a [2023-11-29 06:42:26,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/data/b3d6c85c6/65892f84d8da4ed9b30579d9fe238c0e [2023-11-29 06:42:26,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:42:26,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:42:26,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:42:26,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:42:26,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:42:26,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:42:26" (1/1) ... [2023-11-29 06:42:26,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38af5aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:26, skipping insertion in model container [2023-11-29 06:42:26,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:42:26" (1/1) ... [2023-11-29 06:42:26,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:42:26,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:42:26,916 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:42:27,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:42:27,038 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:42:27,044 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:42:27,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27 WrapperNode [2023-11-29 06:42:27,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:42:27,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:42:27,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:42:27,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:42:27,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,174 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-11-29 06:42:27,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:42:27,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:42:27,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:42:27,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:42:27,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,270 INFO L175 MemorySlicer]: Split 261 memory accesses to 4 slices as follows [2, 5, 34, 220]. 84 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 55 writes are split as follows [0, 1, 4, 50]. [2023-11-29 06:42:27,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:42:27,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:42:27,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:42:27,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:42:27,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (1/1) ... [2023-11-29 06:42:27,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:42:27,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:27,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:42:27,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-29 06:42:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-29 06:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 06:42:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 06:42:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:42:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:42:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:42:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:42:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 06:42:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 06:42:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 06:42:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 06:42:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 06:42:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 06:42:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 06:42:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 06:42:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-29 06:42:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-29 06:42:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:42:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:42:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 06:42:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 06:42:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 06:42:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 06:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-29 06:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 06:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 06:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 06:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 06:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:42:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:42:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:42:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:42:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:42:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:42:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:42:27,632 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:42:27,634 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:42:29,073 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:42:29,116 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:42:29,116 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-29 06:42:29,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:42:29 BoogieIcfgContainer [2023-11-29 06:42:29,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:42:29,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:42:29,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:42:29,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:42:29,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:42:26" (1/3) ... [2023-11-29 06:42:29,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77eee985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:42:29, skipping insertion in model container [2023-11-29 06:42:29,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:27" (2/3) ... [2023-11-29 06:42:29,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77eee985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:42:29, skipping insertion in model container [2023-11-29 06:42:29,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:42:29" (3/3) ... [2023-11-29 06:42:29,125 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-1.i [2023-11-29 06:42:29,140 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:42:29,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 06:42:29,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:42:29,198 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@601cf2bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:42:29,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 06:42:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 405 states, 370 states have (on average 1.7135135135135136) internal successors, (634), 395 states have internal predecessors, (634), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 06:42:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 06:42:29,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:29,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 06:42:29,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:29,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:29,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1189360124, now seen corresponding path program 1 times [2023-11-29 06:42:29,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:29,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208469252] [2023-11-29 06:42:29,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:29,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:29,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:29,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208469252] [2023-11-29 06:42:29,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 06:42:29,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112940021] [2023-11-29 06:42:29,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:29,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:29,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:29,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:29,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:42:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:29,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:42:29,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:29,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:29,570 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:29,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112940021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:29,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:29,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:42:29,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828830326] [2023-11-29 06:42:29,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:29,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:42:29,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:29,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:42:29,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:42:29,610 INFO L87 Difference]: Start difference. First operand has 405 states, 370 states have (on average 1.7135135135135136) internal successors, (634), 395 states have internal predecessors, (634), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:29,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:29,688 INFO L93 Difference]: Finished difference Result 807 states and 1371 transitions. [2023-11-29 06:42:29,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:42:29,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 06:42:29,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:29,706 INFO L225 Difference]: With dead ends: 807 [2023-11-29 06:42:29,707 INFO L226 Difference]: Without dead ends: 398 [2023-11-29 06:42:29,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:42:29,717 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:29,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 602 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:42:29,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-11-29 06:42:29,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-11-29 06:42:29,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 367 states have (on average 1.5286103542234333) internal successors, (561), 389 states have internal predecessors, (561), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:42:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 601 transitions. [2023-11-29 06:42:29,792 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 601 transitions. Word has length 6 [2023-11-29 06:42:29,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:29,792 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 601 transitions. [2023-11-29 06:42:29,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 601 transitions. [2023-11-29 06:42:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 06:42:29,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:29,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 06:42:29,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-29 06:42:29,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 06:42:29,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:29,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:29,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1189362046, now seen corresponding path program 1 times [2023-11-29 06:42:29,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:29,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845318759] [2023-11-29 06:42:29,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:29,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:30,019 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:30,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [126559858] [2023-11-29 06:42:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:30,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:30,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:30,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:30,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:42:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:30,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:42:30,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:30,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 06:42:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:30,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:30,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:30,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845318759] [2023-11-29 06:42:30,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:30,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126559858] [2023-11-29 06:42:30,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126559858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:30,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:30,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:42:30,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462104375] [2023-11-29 06:42:30,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:30,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:42:30,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:30,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:42:30,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:42:30,292 INFO L87 Difference]: Start difference. First operand 398 states and 601 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:30,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:30,470 INFO L93 Difference]: Finished difference Result 751 states and 1129 transitions. [2023-11-29 06:42:30,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:42:30,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 06:42:30,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:30,479 INFO L225 Difference]: With dead ends: 751 [2023-11-29 06:42:30,479 INFO L226 Difference]: Without dead ends: 749 [2023-11-29 06:42:30,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:42:30,482 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 511 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:30,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1720 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:30,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2023-11-29 06:42:30,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 404. [2023-11-29 06:42:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 373 states have (on average 1.522788203753351) internal successors, (568), 395 states have internal predecessors, (568), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:42:30,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 608 transitions. [2023-11-29 06:42:30,516 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 608 transitions. Word has length 6 [2023-11-29 06:42:30,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:30,517 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 608 transitions. [2023-11-29 06:42:30,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 608 transitions. [2023-11-29 06:42:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-29 06:42:30,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:30,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:30,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:42:30,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:30,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:30,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:30,723 INFO L85 PathProgramCache]: Analyzing trace with hash -2093098756, now seen corresponding path program 1 times [2023-11-29 06:42:30,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:30,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071333622] [2023-11-29 06:42:30,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:30,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:31,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:31,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071333622] [2023-11-29 06:42:31,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071333622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:31,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:31,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:42:31,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991206738] [2023-11-29 06:42:31,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:31,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:42:31,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:31,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:42:31,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:42:31,112 INFO L87 Difference]: Start difference. First operand 404 states and 608 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:31,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:31,273 INFO L93 Difference]: Finished difference Result 959 states and 1451 transitions. [2023-11-29 06:42:31,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:42:31,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-11-29 06:42:31,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:31,279 INFO L225 Difference]: With dead ends: 959 [2023-11-29 06:42:31,279 INFO L226 Difference]: Without dead ends: 748 [2023-11-29 06:42:31,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:42:31,282 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 512 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:31,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1805 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:31,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2023-11-29 06:42:31,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2023-11-29 06:42:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 373 states have (on average 1.520107238605898) internal successors, (567), 395 states have internal predecessors, (567), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:42:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 607 transitions. [2023-11-29 06:42:31,304 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 607 transitions. Word has length 71 [2023-11-29 06:42:31,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:31,305 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 607 transitions. [2023-11-29 06:42:31,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:31,305 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 607 transitions. [2023-11-29 06:42:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 06:42:31,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:31,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:31,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:42:31,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:31,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:31,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2129685085, now seen corresponding path program 1 times [2023-11-29 06:42:31,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:31,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239373802] [2023-11-29 06:42:31,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:31,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:31,363 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:31,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619356000] [2023-11-29 06:42:31,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:31,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:31,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:31,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:31,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:42:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:31,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:42:31,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:31,668 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:31,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:31,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239373802] [2023-11-29 06:42:31,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:31,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619356000] [2023-11-29 06:42:31,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619356000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:31,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:31,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:42:31,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156912225] [2023-11-29 06:42:31,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:31,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:42:31,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:31,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:42:31,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:42:31,671 INFO L87 Difference]: Start difference. First operand 404 states and 607 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:31,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:31,760 INFO L93 Difference]: Finished difference Result 822 states and 1238 transitions. [2023-11-29 06:42:31,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:42:31,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-29 06:42:31,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:31,765 INFO L225 Difference]: With dead ends: 822 [2023-11-29 06:42:31,765 INFO L226 Difference]: Without dead ends: 425 [2023-11-29 06:42:31,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:42:31,767 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 9 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:31,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1140 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:31,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2023-11-29 06:42:31,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 424. [2023-11-29 06:42:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 393 states have (on average 1.4936386768447838) internal successors, (587), 415 states have internal predecessors, (587), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:42:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 627 transitions. [2023-11-29 06:42:31,785 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 627 transitions. Word has length 82 [2023-11-29 06:42:31,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:31,785 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 627 transitions. [2023-11-29 06:42:31,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 627 transitions. [2023-11-29 06:42:31,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 06:42:31,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:31,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:31,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:42:31,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:31,995 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:31,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1323312481, now seen corresponding path program 1 times [2023-11-29 06:42:31,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:31,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425611779] [2023-11-29 06:42:31,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:31,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:32,067 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:32,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [314334353] [2023-11-29 06:42:32,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:32,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:32,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:32,070 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:32,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:42:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:32,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:42:32,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:32,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:32,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:32,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425611779] [2023-11-29 06:42:32,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:32,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314334353] [2023-11-29 06:42:32,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314334353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:32,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:32,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:42:32,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173224479] [2023-11-29 06:42:32,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:32,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:42:32,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:32,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:42:32,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:42:32,412 INFO L87 Difference]: Start difference. First operand 424 states and 627 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:32,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:32,515 INFO L93 Difference]: Finished difference Result 828 states and 1234 transitions. [2023-11-29 06:42:32,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:42:32,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-29 06:42:32,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:32,519 INFO L225 Difference]: With dead ends: 828 [2023-11-29 06:42:32,519 INFO L226 Difference]: Without dead ends: 411 [2023-11-29 06:42:32,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:42:32,521 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 165 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:32,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1558 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:32,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-11-29 06:42:32,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 410. [2023-11-29 06:42:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 379 states have (on average 1.4934036939313984) internal successors, (566), 401 states have internal predecessors, (566), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:42:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 606 transitions. [2023-11-29 06:42:32,538 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 606 transitions. Word has length 82 [2023-11-29 06:42:32,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:32,539 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 606 transitions. [2023-11-29 06:42:32,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:32,539 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 606 transitions. [2023-11-29 06:42:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 06:42:32,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:32,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:32,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:42:32,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:32,743 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:32,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:32,744 INFO L85 PathProgramCache]: Analyzing trace with hash 419208083, now seen corresponding path program 1 times [2023-11-29 06:42:32,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:32,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588999359] [2023-11-29 06:42:32,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:32,789 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:32,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [725712492] [2023-11-29 06:42:32,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:32,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:32,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:32,791 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:32,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:42:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:33,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:42:33,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:33,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:33,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:33,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588999359] [2023-11-29 06:42:33,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:33,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725712492] [2023-11-29 06:42:33,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725712492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:33,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:33,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:42:33,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776620358] [2023-11-29 06:42:33,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:33,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:42:33,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:33,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:42:33,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:42:33,167 INFO L87 Difference]: Start difference. First operand 410 states and 606 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:33,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:33,282 INFO L93 Difference]: Finished difference Result 410 states and 606 transitions. [2023-11-29 06:42:33,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:42:33,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-29 06:42:33,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:33,287 INFO L225 Difference]: With dead ends: 410 [2023-11-29 06:42:33,287 INFO L226 Difference]: Without dead ends: 409 [2023-11-29 06:42:33,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:42:33,288 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 530 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:33,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1096 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:33,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2023-11-29 06:42:33,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2023-11-29 06:42:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 379 states have (on average 1.4907651715039578) internal successors, (565), 400 states have internal predecessors, (565), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:42:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 605 transitions. [2023-11-29 06:42:33,307 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 605 transitions. Word has length 82 [2023-11-29 06:42:33,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:33,308 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 605 transitions. [2023-11-29 06:42:33,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 605 transitions. [2023-11-29 06:42:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 06:42:33,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:33,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:33,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:42:33,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:33,510 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:33,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:33,511 INFO L85 PathProgramCache]: Analyzing trace with hash 110548758, now seen corresponding path program 1 times [2023-11-29 06:42:33,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:33,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607993567] [2023-11-29 06:42:33,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:33,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:33,563 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:33,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12177787] [2023-11-29 06:42:33,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:33,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:33,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:33,565 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:33,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:42:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:33,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:42:33,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:33,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:33,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607993567] [2023-11-29 06:42:33,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12177787] [2023-11-29 06:42:33,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12177787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:33,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:33,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:42:33,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988889423] [2023-11-29 06:42:33,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:33,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:42:33,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:33,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:42:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:42:33,951 INFO L87 Difference]: Start difference. First operand 409 states and 605 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:34,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:34,050 INFO L93 Difference]: Finished difference Result 623 states and 930 transitions. [2023-11-29 06:42:34,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:42:34,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-29 06:42:34,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:34,057 INFO L225 Difference]: With dead ends: 623 [2023-11-29 06:42:34,057 INFO L226 Difference]: Without dead ends: 622 [2023-11-29 06:42:34,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:42:34,058 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 213 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:34,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 1732 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:34,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2023-11-29 06:42:34,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 591. [2023-11-29 06:42:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 556 states have (on average 1.474820143884892) internal successors, (820), 577 states have internal predecessors, (820), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:42:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 868 transitions. [2023-11-29 06:42:34,088 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 868 transitions. Word has length 83 [2023-11-29 06:42:34,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:34,088 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 868 transitions. [2023-11-29 06:42:34,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 868 transitions. [2023-11-29 06:42:34,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-29 06:42:34,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:34,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:34,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 06:42:34,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:34,291 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:34,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash -517998921, now seen corresponding path program 1 times [2023-11-29 06:42:34,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:34,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039623580] [2023-11-29 06:42:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:34,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:34,331 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:34,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296103519] [2023-11-29 06:42:34,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:34,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:34,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:34,332 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:34,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:42:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:34,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:42:34,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:34,883 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:34,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:34,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039623580] [2023-11-29 06:42:34,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:34,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296103519] [2023-11-29 06:42:34,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296103519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:34,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:34,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:42:34,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330371486] [2023-11-29 06:42:34,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:34,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:42:34,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:34,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:42:34,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:42:34,886 INFO L87 Difference]: Start difference. First operand 591 states and 868 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:42:35,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:35,021 INFO L93 Difference]: Finished difference Result 1197 states and 1767 transitions. [2023-11-29 06:42:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:42:35,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2023-11-29 06:42:35,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:35,026 INFO L225 Difference]: With dead ends: 1197 [2023-11-29 06:42:35,026 INFO L226 Difference]: Without dead ends: 737 [2023-11-29 06:42:35,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:42:35,029 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 343 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:35,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1315 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:35,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2023-11-29 06:42:35,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 734. [2023-11-29 06:42:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 698 states have (on average 1.488538681948424) internal successors, (1039), 719 states have internal predecessors, (1039), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 06:42:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1089 transitions. [2023-11-29 06:42:35,061 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1089 transitions. Word has length 93 [2023-11-29 06:42:35,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:35,062 INFO L495 AbstractCegarLoop]: Abstraction has 734 states and 1089 transitions. [2023-11-29 06:42:35,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:42:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1089 transitions. [2023-11-29 06:42:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 06:42:35,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:35,064 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:35,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 06:42:35,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:35,266 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:35,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1390529144, now seen corresponding path program 1 times [2023-11-29 06:42:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:35,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009495860] [2023-11-29 06:42:35,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:35,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:35,317 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:35,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523562687] [2023-11-29 06:42:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:35,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:35,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:35,319 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:35,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:42:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:35,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:42:35,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:35,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 06:42:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:42:35,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:35,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:35,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009495860] [2023-11-29 06:42:35,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:35,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523562687] [2023-11-29 06:42:35,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523562687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:35,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:35,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:42:35,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680050255] [2023-11-29 06:42:35,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:35,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:42:35,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:35,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:42:35,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:42:35,926 INFO L87 Difference]: Start difference. First operand 734 states and 1089 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 06:42:36,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:36,183 INFO L93 Difference]: Finished difference Result 982 states and 1464 transitions. [2023-11-29 06:42:36,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:42:36,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 106 [2023-11-29 06:42:36,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:36,190 INFO L225 Difference]: With dead ends: 982 [2023-11-29 06:42:36,190 INFO L226 Difference]: Without dead ends: 981 [2023-11-29 06:42:36,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:42:36,192 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 479 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:36,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 2229 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:42:36,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2023-11-29 06:42:36,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 968. [2023-11-29 06:42:36,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 913 states have (on average 1.4950711938663745) internal successors, (1365), 950 states have internal predecessors, (1365), 42 states have call successors, (42), 7 states have call predecessors, (42), 6 states have return successors, (42), 12 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 06:42:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1449 transitions. [2023-11-29 06:42:36,241 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1449 transitions. Word has length 106 [2023-11-29 06:42:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:36,241 INFO L495 AbstractCegarLoop]: Abstraction has 968 states and 1449 transitions. [2023-11-29 06:42:36,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 06:42:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1449 transitions. [2023-11-29 06:42:36,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 06:42:36,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:36,243 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:36,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 06:42:36,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:36,448 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:36,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:36,448 INFO L85 PathProgramCache]: Analyzing trace with hash -156729605, now seen corresponding path program 1 times [2023-11-29 06:42:36,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:36,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263475505] [2023-11-29 06:42:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:36,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:36,494 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:36,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [303031042] [2023-11-29 06:42:36,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:36,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:36,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:36,496 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:36,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:42:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:36,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:42:36,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:37,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 06:42:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:42:37,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:37,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:37,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263475505] [2023-11-29 06:42:37,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:37,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303031042] [2023-11-29 06:42:37,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303031042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:37,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:37,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:42:37,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467868613] [2023-11-29 06:42:37,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:37,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:42:37,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:37,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:42:37,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:42:37,093 INFO L87 Difference]: Start difference. First operand 968 states and 1449 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 06:42:37,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:37,482 INFO L93 Difference]: Finished difference Result 1018 states and 1529 transitions. [2023-11-29 06:42:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:42:37,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 107 [2023-11-29 06:42:37,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:37,490 INFO L225 Difference]: With dead ends: 1018 [2023-11-29 06:42:37,490 INFO L226 Difference]: Without dead ends: 1017 [2023-11-29 06:42:37,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 97 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:42:37,492 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 484 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 2228 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:37,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 2228 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:42:37,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2023-11-29 06:42:37,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1006. [2023-11-29 06:42:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 935 states have (on average 1.4994652406417113) internal successors, (1402), 986 states have internal predecessors, (1402), 57 states have call successors, (57), 9 states have call predecessors, (57), 8 states have return successors, (57), 13 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-29 06:42:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1516 transitions. [2023-11-29 06:42:37,542 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1516 transitions. Word has length 107 [2023-11-29 06:42:37,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:37,542 INFO L495 AbstractCegarLoop]: Abstraction has 1006 states and 1516 transitions. [2023-11-29 06:42:37,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 06:42:37,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1516 transitions. [2023-11-29 06:42:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 06:42:37,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:37,544 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:37,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 06:42:37,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 06:42:37,745 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:37,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:37,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1423951815, now seen corresponding path program 1 times [2023-11-29 06:42:37,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:37,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739762476] [2023-11-29 06:42:37,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:37,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:37,792 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:37,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76430400] [2023-11-29 06:42:37,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:37,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:37,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:37,794 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:37,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 06:42:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:38,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:42:38,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:38,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:38,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:38,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739762476] [2023-11-29 06:42:38,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:38,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76430400] [2023-11-29 06:42:38,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76430400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:38,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:38,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:42:38,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353460127] [2023-11-29 06:42:38,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:38,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:42:38,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:38,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:42:38,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:42:38,198 INFO L87 Difference]: Start difference. First operand 1006 states and 1516 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 06:42:38,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:38,276 INFO L93 Difference]: Finished difference Result 1891 states and 2857 transitions. [2023-11-29 06:42:38,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:42:38,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 112 [2023-11-29 06:42:38,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:38,283 INFO L225 Difference]: With dead ends: 1891 [2023-11-29 06:42:38,283 INFO L226 Difference]: Without dead ends: 1010 [2023-11-29 06:42:38,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:42:38,286 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 1 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:38,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1754 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:42:38,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2023-11-29 06:42:38,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1010. [2023-11-29 06:42:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 937 states have (on average 1.5005336179295625) internal successors, (1406), 990 states have internal predecessors, (1406), 57 states have call successors, (57), 9 states have call predecessors, (57), 10 states have return successors, (59), 13 states have call predecessors, (59), 57 states have call successors, (59) [2023-11-29 06:42:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1522 transitions. [2023-11-29 06:42:38,340 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1522 transitions. Word has length 112 [2023-11-29 06:42:38,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:38,341 INFO L495 AbstractCegarLoop]: Abstraction has 1010 states and 1522 transitions. [2023-11-29 06:42:38,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 06:42:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1522 transitions. [2023-11-29 06:42:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 06:42:38,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:38,343 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:38,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 06:42:38,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 06:42:38,548 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:38,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:38,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1663303785, now seen corresponding path program 1 times [2023-11-29 06:42:38,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:38,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811708217] [2023-11-29 06:42:38,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:38,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:38,604 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:38,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240033760] [2023-11-29 06:42:38,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:38,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:38,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:38,606 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:38,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 06:42:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:39,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 06:42:39,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:39,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 06:42:39,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 06:42:39,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 06:42:39,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:42:39,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 23 [2023-11-29 06:42:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:42:39,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:39,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:39,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811708217] [2023-11-29 06:42:39,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:39,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240033760] [2023-11-29 06:42:39,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240033760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:39,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:39,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:42:39,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546457703] [2023-11-29 06:42:39,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:39,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:42:39,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:39,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:42:39,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:42:39,632 INFO L87 Difference]: Start difference. First operand 1010 states and 1522 transitions. Second operand has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 11 states have internal predecessors, (103), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:41,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:41,119 INFO L93 Difference]: Finished difference Result 1989 states and 2988 transitions. [2023-11-29 06:42:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:42:41,120 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 11 states have internal predecessors, (103), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 114 [2023-11-29 06:42:41,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:41,125 INFO L225 Difference]: With dead ends: 1989 [2023-11-29 06:42:41,125 INFO L226 Difference]: Without dead ends: 1062 [2023-11-29 06:42:41,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:42:41,128 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 1046 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 3152 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:41,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 3152 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 06:42:41,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2023-11-29 06:42:41,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1042. [2023-11-29 06:42:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 969 states have (on average 1.4891640866873066) internal successors, (1443), 1022 states have internal predecessors, (1443), 57 states have call successors, (57), 9 states have call predecessors, (57), 10 states have return successors, (59), 13 states have call predecessors, (59), 57 states have call successors, (59) [2023-11-29 06:42:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1559 transitions. [2023-11-29 06:42:41,197 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1559 transitions. Word has length 114 [2023-11-29 06:42:41,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:41,197 INFO L495 AbstractCegarLoop]: Abstraction has 1042 states and 1559 transitions. [2023-11-29 06:42:41,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 11 states have internal predecessors, (103), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1559 transitions. [2023-11-29 06:42:41,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 06:42:41,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:41,198 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:41,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 06:42:41,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 06:42:41,400 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:41,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:41,400 INFO L85 PathProgramCache]: Analyzing trace with hash 668610087, now seen corresponding path program 1 times [2023-11-29 06:42:41,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:41,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385892956] [2023-11-29 06:42:41,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:41,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:41,444 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:41,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [583940928] [2023-11-29 06:42:41,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:41,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:41,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:41,445 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:41,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 06:42:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:41,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:42:41,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:42:41,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:41,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:41,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385892956] [2023-11-29 06:42:41,899 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:41,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583940928] [2023-11-29 06:42:41,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583940928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:41,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:41,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:42:41,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547562376] [2023-11-29 06:42:41,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:41,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:42:41,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:41,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:42:41,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:42:41,901 INFO L87 Difference]: Start difference. First operand 1042 states and 1559 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:42,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:42,028 INFO L93 Difference]: Finished difference Result 2169 states and 3278 transitions. [2023-11-29 06:42:42,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:42:42,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 114 [2023-11-29 06:42:42,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:42,036 INFO L225 Difference]: With dead ends: 2169 [2023-11-29 06:42:42,036 INFO L226 Difference]: Without dead ends: 1230 [2023-11-29 06:42:42,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:42:42,039 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 142 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 2262 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:42,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 2262 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:42,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2023-11-29 06:42:42,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1065. [2023-11-29 06:42:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 992 states have (on average 1.4768145161290323) internal successors, (1465), 1045 states have internal predecessors, (1465), 57 states have call successors, (57), 9 states have call predecessors, (57), 10 states have return successors, (59), 13 states have call predecessors, (59), 57 states have call successors, (59) [2023-11-29 06:42:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1581 transitions. [2023-11-29 06:42:42,091 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1581 transitions. Word has length 114 [2023-11-29 06:42:42,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:42,091 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1581 transitions. [2023-11-29 06:42:42,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:42,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1581 transitions. [2023-11-29 06:42:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 06:42:42,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:42,094 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:42,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 06:42:42,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 06:42:42,295 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:42,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:42,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2011085161, now seen corresponding path program 1 times [2023-11-29 06:42:42,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:42,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550841341] [2023-11-29 06:42:42,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:42,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:42,363 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:42,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057713440] [2023-11-29 06:42:42,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:42,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:42,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:42,366 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:42,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 06:42:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:42,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-29 06:42:42,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:42,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 06:42:42,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 06:42:42,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 06:42:43,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:42:43,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 23 [2023-11-29 06:42:43,644 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:42:43,644 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:43,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:43,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550841341] [2023-11-29 06:42:43,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:43,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057713440] [2023-11-29 06:42:43,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057713440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:43,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:43,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 06:42:43,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190553367] [2023-11-29 06:42:43,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:43,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:42:43,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:43,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:42:43,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:42:43,647 INFO L87 Difference]: Start difference. First operand 1065 states and 1581 transitions. Second operand has 14 states, 14 states have (on average 7.428571428571429) internal successors, (104), 13 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:46,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:46,909 INFO L93 Difference]: Finished difference Result 2035 states and 3036 transitions. [2023-11-29 06:42:46,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:42:46,910 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.428571428571429) internal successors, (104), 13 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 115 [2023-11-29 06:42:46,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:46,916 INFO L225 Difference]: With dead ends: 2035 [2023-11-29 06:42:46,916 INFO L226 Difference]: Without dead ends: 1085 [2023-11-29 06:42:46,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2023-11-29 06:42:46,919 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 1038 mSDsluCounter, 4449 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 4982 SdHoareTripleChecker+Invalid, 1888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:46,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 4982 Invalid, 1888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 06:42:46,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2023-11-29 06:42:46,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 1067. [2023-11-29 06:42:46,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 994 states have (on average 1.4758551307847083) internal successors, (1467), 1047 states have internal predecessors, (1467), 57 states have call successors, (57), 9 states have call predecessors, (57), 10 states have return successors, (59), 13 states have call predecessors, (59), 57 states have call successors, (59) [2023-11-29 06:42:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1583 transitions. [2023-11-29 06:42:46,968 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1583 transitions. Word has length 115 [2023-11-29 06:42:46,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:46,968 INFO L495 AbstractCegarLoop]: Abstraction has 1067 states and 1583 transitions. [2023-11-29 06:42:46,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.428571428571429) internal successors, (104), 13 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1583 transitions. [2023-11-29 06:42:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 06:42:46,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:46,971 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:46,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-29 06:42:47,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 06:42:47,171 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:47,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:47,172 INFO L85 PathProgramCache]: Analyzing trace with hash 887813616, now seen corresponding path program 1 times [2023-11-29 06:42:47,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:47,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962505859] [2023-11-29 06:42:47,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:47,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:47,211 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:47,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885675700] [2023-11-29 06:42:47,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:47,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:47,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:47,213 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:47,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 06:42:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:47,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 06:42:47,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:42:48,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:48,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:48,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962505859] [2023-11-29 06:42:48,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:48,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885675700] [2023-11-29 06:42:48,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885675700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:48,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:48,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:42:48,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861135596] [2023-11-29 06:42:48,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:48,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:42:48,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:48,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:42:48,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:42:48,142 INFO L87 Difference]: Start difference. First operand 1067 states and 1583 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:48,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:48,799 INFO L93 Difference]: Finished difference Result 2040 states and 3044 transitions. [2023-11-29 06:42:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:42:48,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 116 [2023-11-29 06:42:48,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:48,804 INFO L225 Difference]: With dead ends: 2040 [2023-11-29 06:42:48,804 INFO L226 Difference]: Without dead ends: 1098 [2023-11-29 06:42:48,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:42:48,807 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 16 mSDsluCounter, 2313 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:48,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2885 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:42:48,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2023-11-29 06:42:48,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1090. [2023-11-29 06:42:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1017 states have (on average 1.4709931170108161) internal successors, (1496), 1070 states have internal predecessors, (1496), 57 states have call successors, (57), 9 states have call predecessors, (57), 10 states have return successors, (59), 13 states have call predecessors, (59), 57 states have call successors, (59) [2023-11-29 06:42:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1612 transitions. [2023-11-29 06:42:48,842 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1612 transitions. Word has length 116 [2023-11-29 06:42:48,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:48,842 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1612 transitions. [2023-11-29 06:42:48,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1612 transitions. [2023-11-29 06:42:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:42:48,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:48,844 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:48,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 06:42:49,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 06:42:49,045 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:49,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:49,045 INFO L85 PathProgramCache]: Analyzing trace with hash 384549638, now seen corresponding path program 1 times [2023-11-29 06:42:49,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:49,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673437215] [2023-11-29 06:42:49,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:49,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:49,098 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:49,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734298928] [2023-11-29 06:42:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:49,099 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:49,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 06:42:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:49,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 06:42:49,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:42:49,599 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:49,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:49,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673437215] [2023-11-29 06:42:49,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:49,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734298928] [2023-11-29 06:42:49,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734298928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:49,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:49,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:42:49,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19651116] [2023-11-29 06:42:49,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:49,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:42:49,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:49,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:42:49,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:42:49,602 INFO L87 Difference]: Start difference. First operand 1090 states and 1612 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:50,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:50,082 INFO L93 Difference]: Finished difference Result 2074 states and 3086 transitions. [2023-11-29 06:42:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:42:50,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 117 [2023-11-29 06:42:50,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:50,087 INFO L225 Difference]: With dead ends: 2074 [2023-11-29 06:42:50,087 INFO L226 Difference]: Without dead ends: 1119 [2023-11-29 06:42:50,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:42:50,089 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 45 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 2964 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:50,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 2964 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:42:50,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2023-11-29 06:42:50,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1104. [2023-11-29 06:42:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1031 states have (on average 1.472356935014549) internal successors, (1518), 1084 states have internal predecessors, (1518), 57 states have call successors, (57), 9 states have call predecessors, (57), 10 states have return successors, (59), 13 states have call predecessors, (59), 57 states have call successors, (59) [2023-11-29 06:42:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1634 transitions. [2023-11-29 06:42:50,136 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1634 transitions. Word has length 117 [2023-11-29 06:42:50,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:50,137 INFO L495 AbstractCegarLoop]: Abstraction has 1104 states and 1634 transitions. [2023-11-29 06:42:50,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1634 transitions. [2023-11-29 06:42:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:42:50,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:50,139 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:50,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 06:42:50,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 06:42:50,340 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:50,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:50,340 INFO L85 PathProgramCache]: Analyzing trace with hash -187614437, now seen corresponding path program 1 times [2023-11-29 06:42:50,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:50,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323955275] [2023-11-29 06:42:50,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:50,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:50,382 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:50,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [131375967] [2023-11-29 06:42:50,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:50,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:50,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:50,384 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:50,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 06:42:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:50,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 06:42:50,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:42:50,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:50,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:50,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323955275] [2023-11-29 06:42:50,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:50,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131375967] [2023-11-29 06:42:50,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131375967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:50,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:50,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:42:50,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908920594] [2023-11-29 06:42:50,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:50,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:42:50,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:50,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:42:50,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:42:50,905 INFO L87 Difference]: Start difference. First operand 1104 states and 1634 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:51,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:51,487 INFO L93 Difference]: Finished difference Result 2082 states and 3099 transitions. [2023-11-29 06:42:51,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:42:51,488 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 117 [2023-11-29 06:42:51,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:51,494 INFO L225 Difference]: With dead ends: 2082 [2023-11-29 06:42:51,494 INFO L226 Difference]: Without dead ends: 1116 [2023-11-29 06:42:51,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:42:51,497 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 15 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:51,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2891 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:42:51,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2023-11-29 06:42:51,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1104. [2023-11-29 06:42:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1031 states have (on average 1.472356935014549) internal successors, (1518), 1084 states have internal predecessors, (1518), 57 states have call successors, (57), 9 states have call predecessors, (57), 10 states have return successors, (59), 13 states have call predecessors, (59), 57 states have call successors, (59) [2023-11-29 06:42:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1634 transitions. [2023-11-29 06:42:51,542 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1634 transitions. Word has length 117 [2023-11-29 06:42:51,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:51,542 INFO L495 AbstractCegarLoop]: Abstraction has 1104 states and 1634 transitions. [2023-11-29 06:42:51,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1634 transitions. [2023-11-29 06:42:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 06:42:51,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:51,544 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:51,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 06:42:51,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 06:42:51,745 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:42:51,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:51,745 INFO L85 PathProgramCache]: Analyzing trace with hash 694558555, now seen corresponding path program 1 times [2023-11-29 06:42:51,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:51,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628227349] [2023-11-29 06:42:51,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:51,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:51,792 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:42:51,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213798008] [2023-11-29 06:42:51,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:51,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:42:51,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:51,794 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:42:51,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 06:42:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:52,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 06:42:52,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:42:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:42:53,418 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:42:53,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:53,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628227349] [2023-11-29 06:42:53,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:42:53,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213798008] [2023-11-29 06:42:53,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213798008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:53,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:53,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:42:53,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304052434] [2023-11-29 06:42:53,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:53,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:42:53,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:53,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:42:53,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:42:53,421 INFO L87 Difference]: Start difference. First operand 1104 states and 1634 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:42:58,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:43:01,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:43:06,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:43:06,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:06,623 INFO L93 Difference]: Finished difference Result 2098 states and 3122 transitions. [2023-11-29 06:43:06,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:43:06,624 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 118 [2023-11-29 06:43:06,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:06,629 INFO L225 Difference]: With dead ends: 2098 [2023-11-29 06:43:06,630 INFO L226 Difference]: Without dead ends: 1132 [2023-11-29 06:43:06,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:43:06,632 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 23 mSDsluCounter, 3686 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4253 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:06,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 4253 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1138 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2023-11-29 06:43:06,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2023-11-29 06:43:06,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1126. [2023-11-29 06:43:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 1053 states have (on average 1.4681861348528016) internal successors, (1546), 1106 states have internal predecessors, (1546), 57 states have call successors, (57), 9 states have call predecessors, (57), 10 states have return successors, (59), 13 states have call predecessors, (59), 57 states have call successors, (59) [2023-11-29 06:43:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1662 transitions. [2023-11-29 06:43:06,667 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1662 transitions. Word has length 118 [2023-11-29 06:43:06,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:06,667 INFO L495 AbstractCegarLoop]: Abstraction has 1126 states and 1662 transitions. [2023-11-29 06:43:06,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:43:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1662 transitions. [2023-11-29 06:43:06,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 06:43:06,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:06,669 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:06,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 06:43:06,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 06:43:06,870 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:43:06,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:06,870 INFO L85 PathProgramCache]: Analyzing trace with hash -557333513, now seen corresponding path program 1 times [2023-11-29 06:43:06,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:06,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470032865] [2023-11-29 06:43:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:06,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:06,917 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:43:06,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1563307594] [2023-11-29 06:43:06,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:06,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:43:06,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:43:06,919 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:43:06,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 06:43:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:07,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 06:43:07,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:43:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:43:07,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:43:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:43:07,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:07,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470032865] [2023-11-29 06:43:07,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:43:07,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563307594] [2023-11-29 06:43:07,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563307594] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:43:07,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:43:07,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 06:43:07,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217181920] [2023-11-29 06:43:07,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:43:07,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:43:07,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:07,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:43:07,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:43:07,834 INFO L87 Difference]: Start difference. First operand 1126 states and 1662 transitions. Second operand has 8 states, 6 states have (on average 20.333333333333332) internal successors, (122), 8 states have internal predecessors, (122), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 06:43:07,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:07,982 INFO L93 Difference]: Finished difference Result 2087 states and 3106 transitions. [2023-11-29 06:43:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:43:07,983 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 20.333333333333332) internal successors, (122), 8 states have internal predecessors, (122), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 118 [2023-11-29 06:43:07,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:07,990 INFO L225 Difference]: With dead ends: 2087 [2023-11-29 06:43:07,990 INFO L226 Difference]: Without dead ends: 1144 [2023-11-29 06:43:07,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:43:07,993 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 9 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:07,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1751 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:43:07,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2023-11-29 06:43:08,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1142. [2023-11-29 06:43:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 1067 states have (on average 1.4732895970009372) internal successors, (1572), 1120 states have internal predecessors, (1572), 57 states have call successors, (57), 11 states have call predecessors, (57), 12 states have return successors, (61), 13 states have call predecessors, (61), 57 states have call successors, (61) [2023-11-29 06:43:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1690 transitions. [2023-11-29 06:43:08,037 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1690 transitions. Word has length 118 [2023-11-29 06:43:08,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:08,037 INFO L495 AbstractCegarLoop]: Abstraction has 1142 states and 1690 transitions. [2023-11-29 06:43:08,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 20.333333333333332) internal successors, (122), 8 states have internal predecessors, (122), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 06:43:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1690 transitions. [2023-11-29 06:43:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 06:43:08,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:08,040 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:08,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 06:43:08,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:43:08,240 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:43:08,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1524148825, now seen corresponding path program 2 times [2023-11-29 06:43:08,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:08,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688411883] [2023-11-29 06:43:08,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:08,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:08,286 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:43:08,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [536597680] [2023-11-29 06:43:08,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:43:08,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:43:08,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:43:08,287 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:43:08,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 06:43:08,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 06:43:08,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:43:08,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:43:08,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:43:08,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 06:43:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-29 06:43:08,605 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:43:08,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:08,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688411883] [2023-11-29 06:43:08,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:43:08,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536597680] [2023-11-29 06:43:08,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536597680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:08,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:08,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:43:08,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616331358] [2023-11-29 06:43:08,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:08,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:08,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:08,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:08,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:08,608 INFO L87 Difference]: Start difference. First operand 1142 states and 1690 transitions. Second operand has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:43:08,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:08,641 INFO L93 Difference]: Finished difference Result 1142 states and 1690 transitions. [2023-11-29 06:43:08,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:08,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 122 [2023-11-29 06:43:08,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:08,646 INFO L225 Difference]: With dead ends: 1142 [2023-11-29 06:43:08,646 INFO L226 Difference]: Without dead ends: 1141 [2023-11-29 06:43:08,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:08,647 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 2 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:08,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1167 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:43:08,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-11-29 06:43:08,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1141. [2023-11-29 06:43:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1067 states have (on average 1.472352389878163) internal successors, (1571), 1119 states have internal predecessors, (1571), 57 states have call successors, (57), 11 states have call predecessors, (57), 12 states have return successors, (61), 13 states have call predecessors, (61), 57 states have call successors, (61) [2023-11-29 06:43:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1689 transitions. [2023-11-29 06:43:08,696 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1689 transitions. Word has length 122 [2023-11-29 06:43:08,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:08,697 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1689 transitions. [2023-11-29 06:43:08,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:43:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1689 transitions. [2023-11-29 06:43:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 06:43:08,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:08,698 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:08,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 06:43:08,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:43:08,899 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 06:43:08,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:08,899 INFO L85 PathProgramCache]: Analyzing trace with hash -3973130, now seen corresponding path program 1 times [2023-11-29 06:43:08,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:08,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218524176] [2023-11-29 06:43:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:08,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:08,952 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:43:08,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1290240114] [2023-11-29 06:43:08,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:08,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:43:08,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:43:08,954 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:43:08,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d75bf-b567-43e5-8390-d3f4fdb6a6b6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 06:43:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:10,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-29 06:43:10,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:43:10,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 06:43:10,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 06:43:10,292 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2023-11-29 06:43:10,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2023-11-29 06:43:10,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-29 06:43:10,539 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 06:43:10,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-11-29 06:43:15,078 INFO L224 Elim1Store]: Index analysis took 232 ms