./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX --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 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:05:34,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:05:34,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 17:05:34,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:05:34,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:05:34,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:05:34,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:05:34,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:05:34,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:05:34,832 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:05:34,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:05:34,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:05:34,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:05:34,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:05:34,838 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:05:34,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:05:34,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:05:34,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:05:34,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:05:34,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:05:34,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:05:34,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:05:34,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:05:34,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:05:34,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:05:34,845 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:05:34,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:05:34,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:05:34,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:05:34,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:05:34,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:05:34,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:05:34,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:05:34,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:05:34,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:05:34,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:05:34,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:05:34,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:05:34,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:05:34,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:05:34,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:05:34,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:05:34,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:05:34,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:05:34,853 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_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe [2024-11-08 17:05:35,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:05:35,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:05:35,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:05:35,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:05:35,187 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:05:35,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c Unable to find full path for "g++" [2024-11-08 17:05:37,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:05:37,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:05:37,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2024-11-08 17:05:37,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/data/af98c159d/6d70c8ea4a7d4755aa8834ba994744d4/FLAGa8190dd03 [2024-11-08 17:05:37,865 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/data/af98c159d/6d70c8ea4a7d4755aa8834ba994744d4 [2024-11-08 17:05:37,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:05:37,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:05:37,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:05:37,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:05:37,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:05:37,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:05:37" (1/1) ... [2024-11-08 17:05:37,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47137ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:37, skipping insertion in model container [2024-11-08 17:05:37,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:05:37" (1/1) ... [2024-11-08 17:05:37,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:05:38,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:05:38,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:05:38,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:05:38,171 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:05:38,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38 WrapperNode [2024-11-08 17:05:38,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:05:38,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:05:38,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:05:38,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:05:38,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,212 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-08 17:05:38,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:05:38,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:05:38,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:05:38,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:05:38,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,233 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,248 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:05:38,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:05:38,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:05:38,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:05:38,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:05:38,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (1/1) ... [2024-11-08 17:05:38,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:05:38,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:38,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:05:38,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:05:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:05:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:05:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:05:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:05:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 17:05:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 17:05:38,461 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:05:38,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:05:39,008 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 17:05:39,008 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:05:39,027 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:05:39,027 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:05:39,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:05:39 BoogieIcfgContainer [2024-11-08 17:05:39,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:05:39,032 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:05:39,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:05:39,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:05:39,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:05:37" (1/3) ... [2024-11-08 17:05:39,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15aee335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:05:39, skipping insertion in model container [2024-11-08 17:05:39,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:05:38" (2/3) ... [2024-11-08 17:05:39,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15aee335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:05:39, skipping insertion in model container [2024-11-08 17:05:39,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:05:39" (3/3) ... [2024-11-08 17:05:39,042 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound5.c [2024-11-08 17:05:39,069 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:05:39,069 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-08 17:05:39,148 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:05:39,156 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28df6d4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:05:39,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-08 17:05:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 17:05:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 17:05:39,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:39,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 17:05:39,169 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:39,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:39,175 INFO L85 PathProgramCache]: Analyzing trace with hash 889508744, now seen corresponding path program 1 times [2024-11-08 17:05:39,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:39,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750659360] [2024-11-08 17:05:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:39,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:05:39,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:39,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750659360] [2024-11-08 17:05:39,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750659360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:39,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:39,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:05:39,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205024319] [2024-11-08 17:05:39,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:39,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:05:39,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:39,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:05:39,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:05:39,383 INFO L87 Difference]: Start difference. First operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:05:39,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:39,415 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2024-11-08 17:05:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:05:39,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-08 17:05:39,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:39,427 INFO L225 Difference]: With dead ends: 164 [2024-11-08 17:05:39,428 INFO L226 Difference]: Without dead ends: 76 [2024-11-08 17:05:39,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:05:39,436 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:39,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:05:39,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-08 17:05:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-08 17:05:39,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 69 states have internal predecessors, (74), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 17:05:39,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2024-11-08 17:05:39,500 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 6 [2024-11-08 17:05:39,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:39,500 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2024-11-08 17:05:39,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:05:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2024-11-08 17:05:39,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 17:05:39,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:39,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 17:05:39,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:05:39,502 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:39,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:39,505 INFO L85 PathProgramCache]: Analyzing trace with hash 889568326, now seen corresponding path program 1 times [2024-11-08 17:05:39,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:39,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477608007] [2024-11-08 17:05:39,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:39,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:05:39,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:39,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477608007] [2024-11-08 17:05:39,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477608007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:39,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:39,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:05:39,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664546159] [2024-11-08 17:05:39,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:39,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:05:39,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:39,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:05:39,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:05:39,654 INFO L87 Difference]: Start difference. First operand 76 states and 84 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) [2024-11-08 17:05:39,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:39,720 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2024-11-08 17:05:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:05:39,721 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 [2024-11-08 17:05:39,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:39,723 INFO L225 Difference]: With dead ends: 85 [2024-11-08 17:05:39,723 INFO L226 Difference]: Without dead ends: 84 [2024-11-08 17:05:39,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:05:39,726 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:39,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:05:39,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-08 17:05:39,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2024-11-08 17:05:39,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 71 states have internal predecessors, (76), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 17:05:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2024-11-08 17:05:39,742 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 6 [2024-11-08 17:05:39,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:39,742 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2024-11-08 17:05:39,743 INFO L472 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) [2024-11-08 17:05:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-08 17:05:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 17:05:39,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:39,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:39,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:05:39,745 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:39,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:39,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1806814377, now seen corresponding path program 1 times [2024-11-08 17:05:39,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:39,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269631826] [2024-11-08 17:05:39,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:39,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:05:39,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:39,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269631826] [2024-11-08 17:05:39,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269631826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:39,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:39,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:05:39,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278755141] [2024-11-08 17:05:39,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:39,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:05:39,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:39,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:05:39,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:05:39,894 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:05:39,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:39,974 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2024-11-08 17:05:39,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:05:39,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-08 17:05:39,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:39,980 INFO L225 Difference]: With dead ends: 134 [2024-11-08 17:05:39,980 INFO L226 Difference]: Without dead ends: 83 [2024-11-08 17:05:39,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:05:39,987 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:39,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 229 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:05:39,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-08 17:05:40,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-08 17:05:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.6326530612244898) internal successors, (80), 75 states have internal predecessors, (80), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 17:05:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2024-11-08 17:05:40,017 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 7 [2024-11-08 17:05:40,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:40,017 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2024-11-08 17:05:40,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:05:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2024-11-08 17:05:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 17:05:40,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:40,019 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:40,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:05:40,020 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:40,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:40,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2111680137, now seen corresponding path program 1 times [2024-11-08 17:05:40,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:40,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076696302] [2024-11-08 17:05:40,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:40,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:05:40,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940678182] [2024-11-08 17:05:40,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:40,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:40,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:40,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:40,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:05:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:05:40,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:05:40,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:05:40,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:40,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076696302] [2024-11-08 17:05:40,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:05:40,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940678182] [2024-11-08 17:05:40,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940678182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:40,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:40,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:05:40,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607966156] [2024-11-08 17:05:40,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:40,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:05:40,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:40,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:05:40,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:40,267 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:05:40,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:40,408 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2024-11-08 17:05:40,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:05:40,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-08 17:05:40,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:40,411 INFO L225 Difference]: With dead ends: 176 [2024-11-08 17:05:40,411 INFO L226 Difference]: Without dead ends: 122 [2024-11-08 17:05:40,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:40,416 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 33 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:40,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 135 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:40,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-08 17:05:40,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2024-11-08 17:05:40,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 93 states have internal predecessors, (108), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 17:05:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2024-11-08 17:05:40,440 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 19 [2024-11-08 17:05:40,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:40,445 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2024-11-08 17:05:40,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:05:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2024-11-08 17:05:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 17:05:40,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:40,446 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:40,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:05:40,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:40,647 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:40,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:40,648 INFO L85 PathProgramCache]: Analyzing trace with hash 832196386, now seen corresponding path program 1 times [2024-11-08 17:05:40,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:40,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705483241] [2024-11-08 17:05:40,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:40,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:40,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:40,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705483241] [2024-11-08 17:05:40,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705483241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:40,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:40,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:05:40,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265809228] [2024-11-08 17:05:40,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:40,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:05:40,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:40,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:05:40,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:40,875 INFO L87 Difference]: Start difference. First operand 106 states and 128 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:40,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:40,986 INFO L93 Difference]: Finished difference Result 106 states and 128 transitions. [2024-11-08 17:05:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:05:40,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-08 17:05:40,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:40,988 INFO L225 Difference]: With dead ends: 106 [2024-11-08 17:05:40,988 INFO L226 Difference]: Without dead ends: 104 [2024-11-08 17:05:40,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:40,989 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 47 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:40,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 70 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:40,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-08 17:05:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-08 17:05:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 91 states have internal predecessors, (105), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 17:05:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2024-11-08 17:05:41,003 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 27 [2024-11-08 17:05:41,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:41,003 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2024-11-08 17:05:41,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:41,004 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2024-11-08 17:05:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 17:05:41,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:41,005 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:41,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:05:41,005 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:41,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:41,006 INFO L85 PathProgramCache]: Analyzing trace with hash 28282720, now seen corresponding path program 1 times [2024-11-08 17:05:41,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:41,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219397116] [2024-11-08 17:05:41,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:41,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:41,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:41,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219397116] [2024-11-08 17:05:41,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219397116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:41,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:41,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:05:41,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690129243] [2024-11-08 17:05:41,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:41,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:05:41,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:41,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:05:41,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:05:41,149 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:41,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:41,236 INFO L93 Difference]: Finished difference Result 104 states and 125 transitions. [2024-11-08 17:05:41,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:05:41,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-08 17:05:41,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:41,238 INFO L225 Difference]: With dead ends: 104 [2024-11-08 17:05:41,238 INFO L226 Difference]: Without dead ends: 103 [2024-11-08 17:05:41,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:05:41,239 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 72 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:41,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:05:41,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-08 17:05:41,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-08 17:05:41,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.537313432835821) internal successors, (103), 90 states have internal predecessors, (103), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 17:05:41,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2024-11-08 17:05:41,252 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 28 [2024-11-08 17:05:41,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:41,252 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2024-11-08 17:05:41,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2024-11-08 17:05:41,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 17:05:41,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:41,253 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:41,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:05:41,254 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:41,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:41,254 INFO L85 PathProgramCache]: Analyzing trace with hash 28284258, now seen corresponding path program 1 times [2024-11-08 17:05:41,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:41,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441476715] [2024-11-08 17:05:41,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:41,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:41,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:41,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441476715] [2024-11-08 17:05:41,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441476715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:41,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:41,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:05:41,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707725614] [2024-11-08 17:05:41,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:41,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:05:41,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:41,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:05:41,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:41,379 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:41,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:41,516 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2024-11-08 17:05:41,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:05:41,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-08 17:05:41,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:41,518 INFO L225 Difference]: With dead ends: 113 [2024-11-08 17:05:41,519 INFO L226 Difference]: Without dead ends: 112 [2024-11-08 17:05:41,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:41,520 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:41,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 126 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:41,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-08 17:05:41,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2024-11-08 17:05:41,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 90 states have internal predecessors, (102), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 17:05:41,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2024-11-08 17:05:41,545 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 28 [2024-11-08 17:05:41,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:41,545 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2024-11-08 17:05:41,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2024-11-08 17:05:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 17:05:41,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:41,547 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:41,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:05:41,548 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:41,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:41,548 INFO L85 PathProgramCache]: Analyzing trace with hash 876764402, now seen corresponding path program 1 times [2024-11-08 17:05:41,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:41,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402206526] [2024-11-08 17:05:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:41,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:41,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402206526] [2024-11-08 17:05:41,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402206526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:41,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:41,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:05:41,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869720940] [2024-11-08 17:05:41,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:41,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:05:41,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:41,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:05:41,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:05:41,702 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:41,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:41,819 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2024-11-08 17:05:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:05:41,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-08 17:05:41,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:41,824 INFO L225 Difference]: With dead ends: 120 [2024-11-08 17:05:41,824 INFO L226 Difference]: Without dead ends: 111 [2024-11-08 17:05:41,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:05:41,828 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 20 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:41,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-08 17:05:41,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2024-11-08 17:05:41,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 93 states have internal predecessors, (103), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 17:05:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2024-11-08 17:05:41,848 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 29 [2024-11-08 17:05:41,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:41,850 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2024-11-08 17:05:41,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2024-11-08 17:05:41,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 17:05:41,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:41,852 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:41,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:05:41,853 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:41,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:41,853 INFO L85 PathProgramCache]: Analyzing trace with hash 757003092, now seen corresponding path program 1 times [2024-11-08 17:05:41,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:41,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525508433] [2024-11-08 17:05:41,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:41,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:05:41,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753369266] [2024-11-08 17:05:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:41,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:41,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:41,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:05:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:05:41,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:42,013 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:05:42,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:42,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525508433] [2024-11-08 17:05:42,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:05:42,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753369266] [2024-11-08 17:05:42,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753369266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:42,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:42,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:05:42,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131661040] [2024-11-08 17:05:42,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:42,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:05:42,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:42,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:05:42,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:42,016 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:42,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:42,090 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2024-11-08 17:05:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:05:42,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-08 17:05:42,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:42,092 INFO L225 Difference]: With dead ends: 145 [2024-11-08 17:05:42,092 INFO L226 Difference]: Without dead ends: 141 [2024-11-08 17:05:42,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:42,093 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:42,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 102 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:42,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-08 17:05:42,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 127. [2024-11-08 17:05:42,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 111 states have internal predecessors, (130), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:05:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2024-11-08 17:05:42,118 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 31 [2024-11-08 17:05:42,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:42,118 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2024-11-08 17:05:42,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2024-11-08 17:05:42,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 17:05:42,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:42,119 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:42,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:05:42,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-08 17:05:42,325 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:42,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:42,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1630501302, now seen corresponding path program 1 times [2024-11-08 17:05:42,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:42,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865973711] [2024-11-08 17:05:42,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:42,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:42,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:42,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:42,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:42,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:42,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865973711] [2024-11-08 17:05:42,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865973711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:42,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:42,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:05:42,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722063584] [2024-11-08 17:05:42,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:42,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:05:42,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:42,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:05:42,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:05:42,482 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:43,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:43,358 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2024-11-08 17:05:43,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:05:43,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-11-08 17:05:43,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:43,360 INFO L225 Difference]: With dead ends: 151 [2024-11-08 17:05:43,360 INFO L226 Difference]: Without dead ends: 150 [2024-11-08 17:05:43,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:05:43,361 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 104 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:43,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 113 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:05:43,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-08 17:05:43,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 134. [2024-11-08 17:05:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 118 states have internal predecessors, (139), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:05:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 163 transitions. [2024-11-08 17:05:43,384 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 163 transitions. Word has length 33 [2024-11-08 17:05:43,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:43,384 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 163 transitions. [2024-11-08 17:05:43,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2024-11-08 17:05:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 17:05:43,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:43,386 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:43,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:05:43,387 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:43,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:43,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1594079511, now seen corresponding path program 1 times [2024-11-08 17:05:43,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:43,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834297611] [2024-11-08 17:05:43,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:43,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:43,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:43,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:43,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834297611] [2024-11-08 17:05:43,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834297611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:43,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124634311] [2024-11-08 17:05:43,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:43,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:43,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:43,489 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:43,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:05:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:43,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:05:43,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:43,661 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:05:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:43,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124634311] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:05:43,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:05:43,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-08 17:05:43,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818371855] [2024-11-08 17:05:43,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:05:43,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:05:43,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:43,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:05:43,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:05:43,784 INFO L87 Difference]: Start difference. First operand 134 states and 163 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 17:05:44,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:44,039 INFO L93 Difference]: Finished difference Result 267 states and 325 transitions. [2024-11-08 17:05:44,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:05:44,040 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 33 [2024-11-08 17:05:44,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:44,041 INFO L225 Difference]: With dead ends: 267 [2024-11-08 17:05:44,042 INFO L226 Difference]: Without dead ends: 191 [2024-11-08 17:05:44,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:05:44,043 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 66 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:44,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 390 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:44,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-08 17:05:44,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 173. [2024-11-08 17:05:44,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 126 states have (on average 1.4523809523809523) internal successors, (183), 149 states have internal predecessors, (183), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 17:05:44,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2024-11-08 17:05:44,068 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 219 transitions. Word has length 33 [2024-11-08 17:05:44,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:44,069 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-08 17:05:44,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 17:05:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 219 transitions. [2024-11-08 17:05:44,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 17:05:44,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:44,073 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:44,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:05:44,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:44,277 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:44,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:44,277 INFO L85 PathProgramCache]: Analyzing trace with hash -994067095, now seen corresponding path program 1 times [2024-11-08 17:05:44,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:44,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815485463] [2024-11-08 17:05:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:05:44,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1491136287] [2024-11-08 17:05:44,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:44,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:44,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:44,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:44,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:05:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:44,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:05:44,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:05:44,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:05:44,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:44,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815485463] [2024-11-08 17:05:44,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:05:44,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491136287] [2024-11-08 17:05:44,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491136287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:44,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:44,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:05:44,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191516823] [2024-11-08 17:05:44,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:44,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:05:44,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:44,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:05:44,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:05:44,562 INFO L87 Difference]: Start difference. First operand 173 states and 219 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:44,759 INFO L93 Difference]: Finished difference Result 179 states and 224 transitions. [2024-11-08 17:05:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:05:44,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2024-11-08 17:05:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:44,761 INFO L225 Difference]: With dead ends: 179 [2024-11-08 17:05:44,761 INFO L226 Difference]: Without dead ends: 176 [2024-11-08 17:05:44,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:05:44,762 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 24 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:44,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:05:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-08 17:05:44,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-08 17:05:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 129 states have (on average 1.434108527131783) internal successors, (185), 152 states have internal predecessors, (185), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 17:05:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2024-11-08 17:05:44,786 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 34 [2024-11-08 17:05:44,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:44,786 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2024-11-08 17:05:44,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:05:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2024-11-08 17:05:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 17:05:44,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:44,788 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:44,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:05:44,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:44,992 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:44,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:44,993 INFO L85 PathProgramCache]: Analyzing trace with hash 637716681, now seen corresponding path program 1 times [2024-11-08 17:05:44,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:44,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337708150] [2024-11-08 17:05:44,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:44,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:05:45,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598271518] [2024-11-08 17:05:45,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:45,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:45,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:45,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:45,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:05:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:45,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:05:45,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:05:45,123 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:05:45,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:45,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337708150] [2024-11-08 17:05:45,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:05:45,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598271518] [2024-11-08 17:05:45,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598271518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:45,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:45,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:05:45,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066873793] [2024-11-08 17:05:45,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:45,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:05:45,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:45,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:05:45,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:05:45,125 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 17:05:45,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:45,229 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2024-11-08 17:05:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:05:45,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-08 17:05:45,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:45,231 INFO L225 Difference]: With dead ends: 213 [2024-11-08 17:05:45,231 INFO L226 Difference]: Without dead ends: 203 [2024-11-08 17:05:45,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:05:45,232 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 82 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:45,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 144 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:45,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-08 17:05:45,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 185. [2024-11-08 17:05:45,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 140 states have (on average 1.3571428571428572) internal successors, (190), 159 states have internal predecessors, (190), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:05:45,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2024-11-08 17:05:45,259 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 45 [2024-11-08 17:05:45,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:45,260 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2024-11-08 17:05:45,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 17:05:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2024-11-08 17:05:45,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 17:05:45,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:45,261 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:45,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 17:05:45,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 17:05:45,462 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:45,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:45,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1705619311, now seen corresponding path program 1 times [2024-11-08 17:05:45,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:45,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811862034] [2024-11-08 17:05:45,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:45,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:05:45,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323539691] [2024-11-08 17:05:45,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:45,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:45,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:45,494 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:45,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 17:05:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:45,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:05:45,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:05:45,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:05:45,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:45,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811862034] [2024-11-08 17:05:45,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:05:45,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323539691] [2024-11-08 17:05:45,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323539691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:45,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:05:45,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-08 17:05:45,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668144513] [2024-11-08 17:05:45,707 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:05:45,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:05:45,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:45,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:05:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:05:45,708 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 17:05:45,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:45,849 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2024-11-08 17:05:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:05:45,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-08 17:05:45,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:45,852 INFO L225 Difference]: With dead ends: 281 [2024-11-08 17:05:45,852 INFO L226 Difference]: Without dead ends: 277 [2024-11-08 17:05:45,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:05:45,853 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:45,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 186 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:45,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-08 17:05:45,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 245. [2024-11-08 17:05:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 213 states have internal predecessors, (268), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 17:05:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 320 transitions. [2024-11-08 17:05:45,890 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 320 transitions. Word has length 46 [2024-11-08 17:05:45,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:45,891 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 320 transitions. [2024-11-08 17:05:45,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 17:05:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 320 transitions. [2024-11-08 17:05:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 17:05:45,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:45,896 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:45,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 17:05:46,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-08 17:05:46,100 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:46,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:46,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1899776118, now seen corresponding path program 1 times [2024-11-08 17:05:46,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:46,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507664043] [2024-11-08 17:05:46,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:46,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:46,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:46,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:46,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:46,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:05:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:46,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:05:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:05:46,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:46,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507664043] [2024-11-08 17:05:46,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507664043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:46,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:46,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:05:46,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296829183] [2024-11-08 17:05:46,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:46,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:05:46,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:46,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:05:46,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:05:46,225 INFO L87 Difference]: Start difference. First operand 245 states and 320 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:05:46,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:46,971 INFO L93 Difference]: Finished difference Result 256 states and 331 transitions. [2024-11-08 17:05:46,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:05:46,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-08 17:05:46,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:46,973 INFO L225 Difference]: With dead ends: 256 [2024-11-08 17:05:46,973 INFO L226 Difference]: Without dead ends: 239 [2024-11-08 17:05:46,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:05:46,974 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:46,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 135 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:05:46,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-08 17:05:47,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 230. [2024-11-08 17:05:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 200 states have internal predecessors, (254), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:05:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 302 transitions. [2024-11-08 17:05:47,003 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 302 transitions. Word has length 50 [2024-11-08 17:05:47,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:47,003 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 302 transitions. [2024-11-08 17:05:47,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:05:47,003 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2024-11-08 17:05:47,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 17:05:47,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:47,004 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:47,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:05:47,004 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:47,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:47,006 INFO L85 PathProgramCache]: Analyzing trace with hash 990118690, now seen corresponding path program 1 times [2024-11-08 17:05:47,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:47,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641195069] [2024-11-08 17:05:47,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:05:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:05:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:05:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:05:47,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:47,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641195069] [2024-11-08 17:05:47,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641195069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:47,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465357900] [2024-11-08 17:05:47,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:47,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:47,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:47,126 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:47,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 17:05:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:05:47,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:05:47,265 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:05:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:05:47,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465357900] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:05:47,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:05:47,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-08 17:05:47,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026700333] [2024-11-08 17:05:47,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:05:47,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:05:47,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:47,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:05:47,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:05:47,362 INFO L87 Difference]: Start difference. First operand 230 states and 302 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 17:05:47,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:47,607 INFO L93 Difference]: Finished difference Result 364 states and 468 transitions. [2024-11-08 17:05:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:05:47,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 54 [2024-11-08 17:05:47,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:47,610 INFO L225 Difference]: With dead ends: 364 [2024-11-08 17:05:47,610 INFO L226 Difference]: Without dead ends: 362 [2024-11-08 17:05:47,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:05:47,611 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 132 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:47,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 266 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:05:47,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-08 17:05:47,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 299. [2024-11-08 17:05:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 241 states have (on average 1.4190871369294606) internal successors, (342), 260 states have internal predecessors, (342), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 17:05:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 408 transitions. [2024-11-08 17:05:47,664 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 408 transitions. Word has length 54 [2024-11-08 17:05:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:47,664 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 408 transitions. [2024-11-08 17:05:47,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 17:05:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2024-11-08 17:05:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 17:05:47,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:47,665 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:47,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 17:05:47,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 17:05:47,870 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:47,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:47,870 INFO L85 PathProgramCache]: Analyzing trace with hash 628860722, now seen corresponding path program 1 times [2024-11-08 17:05:47,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:47,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947071122] [2024-11-08 17:05:47,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:47,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:47,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:48,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:05:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:05:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:48,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:05:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:05:48,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:48,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947071122] [2024-11-08 17:05:48,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947071122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:48,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358758588] [2024-11-08 17:05:48,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:48,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:48,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:48,022 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:48,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 17:05:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:48,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:05:48,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:05:48,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:05:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:05:48,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358758588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:05:48,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:05:48,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-08 17:05:48,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607413719] [2024-11-08 17:05:48,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:05:48,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:05:48,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:48,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:05:48,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:05:48,357 INFO L87 Difference]: Start difference. First operand 299 states and 408 transitions. Second operand has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 17:05:48,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:48,726 INFO L93 Difference]: Finished difference Result 346 states and 451 transitions. [2024-11-08 17:05:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 17:05:48,726 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 55 [2024-11-08 17:05:48,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:48,729 INFO L225 Difference]: With dead ends: 346 [2024-11-08 17:05:48,729 INFO L226 Difference]: Without dead ends: 340 [2024-11-08 17:05:48,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-08 17:05:48,732 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 91 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:48,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 492 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:05:48,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-08 17:05:48,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 322. [2024-11-08 17:05:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 262 states have (on average 1.3931297709923665) internal successors, (365), 281 states have internal predecessors, (365), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 17:05:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 431 transitions. [2024-11-08 17:05:48,774 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 431 transitions. Word has length 55 [2024-11-08 17:05:48,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:48,774 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 431 transitions. [2024-11-08 17:05:48,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 17:05:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 431 transitions. [2024-11-08 17:05:48,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 17:05:48,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:48,777 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:48,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 17:05:48,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 17:05:48,981 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:48,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:48,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1660607273, now seen corresponding path program 1 times [2024-11-08 17:05:48,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:48,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013777312] [2024-11-08 17:05:48,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:48,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:05:49,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [406143784] [2024-11-08 17:05:49,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:49,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:49,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:49,003 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:49,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 17:05:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:49,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:05:49,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:05:49,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:05:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:05:49,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:49,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013777312] [2024-11-08 17:05:49,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:05:49,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406143784] [2024-11-08 17:05:49,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406143784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:05:49,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:05:49,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-08 17:05:49,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511556619] [2024-11-08 17:05:49,529 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:05:49,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:05:49,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:49,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:05:49,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:05:49,530 INFO L87 Difference]: Start difference. First operand 322 states and 431 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 17:05:50,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:50,434 INFO L93 Difference]: Finished difference Result 367 states and 486 transitions. [2024-11-08 17:05:50,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:05:50,435 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 60 [2024-11-08 17:05:50,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:50,437 INFO L225 Difference]: With dead ends: 367 [2024-11-08 17:05:50,438 INFO L226 Difference]: Without dead ends: 361 [2024-11-08 17:05:50,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:05:50,439 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 222 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:50,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 231 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:05:50,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-08 17:05:50,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 325. [2024-11-08 17:05:50,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 265 states have (on average 1.3584905660377358) internal successors, (360), 284 states have internal predecessors, (360), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 17:05:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 426 transitions. [2024-11-08 17:05:50,484 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 426 transitions. Word has length 60 [2024-11-08 17:05:50,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:50,485 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 426 transitions. [2024-11-08 17:05:50,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 17:05:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 426 transitions. [2024-11-08 17:05:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 17:05:50,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:50,486 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:50,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 17:05:50,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 17:05:50,687 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:50,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:50,687 INFO L85 PathProgramCache]: Analyzing trace with hash 36789618, now seen corresponding path program 1 times [2024-11-08 17:05:50,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:50,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637695811] [2024-11-08 17:05:50,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:50,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:50,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:50,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:50,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:05:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:50,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:05:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:50,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:05:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:05:50,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:50,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637695811] [2024-11-08 17:05:50,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637695811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:50,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8389371] [2024-11-08 17:05:50,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:50,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:50,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:50,858 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:50,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 17:05:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:50,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:05:50,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:05:51,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:05:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:05:51,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8389371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:05:51,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:05:51,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2024-11-08 17:05:51,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500846925] [2024-11-08 17:05:51,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:05:51,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:05:51,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:51,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:05:51,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:05:51,221 INFO L87 Difference]: Start difference. First operand 325 states and 426 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 17:05:51,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:51,553 INFO L93 Difference]: Finished difference Result 488 states and 640 transitions. [2024-11-08 17:05:51,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 17:05:51,554 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 68 [2024-11-08 17:05:51,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:51,557 INFO L225 Difference]: With dead ends: 488 [2024-11-08 17:05:51,557 INFO L226 Difference]: Without dead ends: 338 [2024-11-08 17:05:51,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=271, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:05:51,558 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 48 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:51,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 608 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:51,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-08 17:05:51,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 331. [2024-11-08 17:05:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 271 states have (on average 1.3468634686346863) internal successors, (365), 290 states have internal predecessors, (365), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 17:05:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 431 transitions. [2024-11-08 17:05:51,603 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 431 transitions. Word has length 68 [2024-11-08 17:05:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:51,604 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 431 transitions. [2024-11-08 17:05:51,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 17:05:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 431 transitions. [2024-11-08 17:05:51,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 17:05:51,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:51,605 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-08 17:05:51,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 17:05:51,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:51,806 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:51,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:51,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1913835089, now seen corresponding path program 2 times [2024-11-08 17:05:51,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:51,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508628031] [2024-11-08 17:05:51,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:51,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:05:51,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1362703781] [2024-11-08 17:05:51,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:05:51,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:51,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:51,832 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:51,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 17:05:51,915 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:05:51,915 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:05:51,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:05:51,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:05:52,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:05:52,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:52,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508628031] [2024-11-08 17:05:52,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:05:52,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362703781] [2024-11-08 17:05:52,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362703781] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:52,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:05:52,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-08 17:05:52,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877608593] [2024-11-08 17:05:52,105 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:05:52,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:05:52,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:52,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:05:52,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:05:52,107 INFO L87 Difference]: Start difference. First operand 331 states and 431 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:05:52,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:52,320 INFO L93 Difference]: Finished difference Result 480 states and 615 transitions. [2024-11-08 17:05:52,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:05:52,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-08 17:05:52,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:52,324 INFO L225 Difference]: With dead ends: 480 [2024-11-08 17:05:52,325 INFO L226 Difference]: Without dead ends: 476 [2024-11-08 17:05:52,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:05:52,326 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 169 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:52,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 194 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:05:52,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-08 17:05:52,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 362. [2024-11-08 17:05:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 298 states have (on average 1.325503355704698) internal successors, (395), 317 states have internal predecessors, (395), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-08 17:05:52,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 469 transitions. [2024-11-08 17:05:52,381 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 469 transitions. Word has length 72 [2024-11-08 17:05:52,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:52,382 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 469 transitions. [2024-11-08 17:05:52,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:05:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 469 transitions. [2024-11-08 17:05:52,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 17:05:52,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:52,383 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:52,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-08 17:05:52,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:52,584 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:52,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:52,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1281829, now seen corresponding path program 1 times [2024-11-08 17:05:52,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:52,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401991223] [2024-11-08 17:05:52,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:52,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:52,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:52,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:05:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:05:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:52,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:05:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:52,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:05:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:52,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:05:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 17:05:52,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:52,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401991223] [2024-11-08 17:05:52,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401991223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:52,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:52,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:05:52,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843368664] [2024-11-08 17:05:52,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:52,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:05:52,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:52,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:05:52,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:52,710 INFO L87 Difference]: Start difference. First operand 362 states and 469 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:05:52,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:52,803 INFO L93 Difference]: Finished difference Result 362 states and 469 transitions. [2024-11-08 17:05:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:05:52,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2024-11-08 17:05:52,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:52,806 INFO L225 Difference]: With dead ends: 362 [2024-11-08 17:05:52,806 INFO L226 Difference]: Without dead ends: 361 [2024-11-08 17:05:52,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:05:52,807 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:52,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 118 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:05:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-08 17:05:52,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2024-11-08 17:05:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 298 states have (on average 1.3120805369127517) internal successors, (391), 316 states have internal predecessors, (391), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-08 17:05:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 465 transitions. [2024-11-08 17:05:52,854 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 465 transitions. Word has length 79 [2024-11-08 17:05:52,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:52,854 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 465 transitions. [2024-11-08 17:05:52,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:05:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 465 transitions. [2024-11-08 17:05:52,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 17:05:52,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:52,855 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:52,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 17:05:52,856 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:52,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:52,856 INFO L85 PathProgramCache]: Analyzing trace with hash 39736820, now seen corresponding path program 1 times [2024-11-08 17:05:52,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:52,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391902282] [2024-11-08 17:05:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:52,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:05:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:05:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:05:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:05:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:05:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 17:05:53,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:53,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391902282] [2024-11-08 17:05:53,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391902282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:53,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:53,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:05:53,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364662788] [2024-11-08 17:05:53,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:53,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:05:53,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:53,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:05:53,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:05:53,123 INFO L87 Difference]: Start difference. First operand 361 states and 465 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 17:05:53,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:53,566 INFO L93 Difference]: Finished difference Result 561 states and 750 transitions. [2024-11-08 17:05:53,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:05:53,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2024-11-08 17:05:53,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:53,569 INFO L225 Difference]: With dead ends: 561 [2024-11-08 17:05:53,570 INFO L226 Difference]: Without dead ends: 560 [2024-11-08 17:05:53,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:05:53,571 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 126 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:53,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 221 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:05:53,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-08 17:05:53,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 499. [2024-11-08 17:05:53,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 422 states have (on average 1.3696682464454977) internal successors, (578), 440 states have internal predecessors, (578), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-08 17:05:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 680 transitions. [2024-11-08 17:05:53,633 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 680 transitions. Word has length 80 [2024-11-08 17:05:53,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:53,633 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 680 transitions. [2024-11-08 17:05:53,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 17:05:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 680 transitions. [2024-11-08 17:05:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 17:05:53,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:53,634 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:53,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 17:05:53,635 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:53,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:53,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1231841543, now seen corresponding path program 1 times [2024-11-08 17:05:53,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:53,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370546478] [2024-11-08 17:05:53,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:53,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:05:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:05:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:05:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:05:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:05:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:05:53,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:53,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370546478] [2024-11-08 17:05:53,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370546478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:53,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822757342] [2024-11-08 17:05:53,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:53,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:53,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:53,885 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:53,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 17:05:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:53,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:05:53,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:54,260 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 17:05:54,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:05:54,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822757342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:54,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:05:54,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-08 17:05:54,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016674908] [2024-11-08 17:05:54,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:54,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:05:54,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:54,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:05:54,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:05:54,263 INFO L87 Difference]: Start difference. First operand 499 states and 680 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:05:54,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:54,658 INFO L93 Difference]: Finished difference Result 544 states and 729 transitions. [2024-11-08 17:05:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:05:54,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 81 [2024-11-08 17:05:54,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:54,661 INFO L225 Difference]: With dead ends: 544 [2024-11-08 17:05:54,661 INFO L226 Difference]: Without dead ends: 543 [2024-11-08 17:05:54,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:05:54,663 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 86 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:54,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 125 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:05:54,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-08 17:05:54,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 511. [2024-11-08 17:05:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 434 states have (on average 1.359447004608295) internal successors, (590), 452 states have internal predecessors, (590), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-08 17:05:54,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 692 transitions. [2024-11-08 17:05:54,732 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 692 transitions. Word has length 81 [2024-11-08 17:05:54,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:54,732 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 692 transitions. [2024-11-08 17:05:54,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:05:54,732 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 692 transitions. [2024-11-08 17:05:54,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 17:05:54,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:54,733 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:54,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-08 17:05:54,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-08 17:05:54,934 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:54,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:54,935 INFO L85 PathProgramCache]: Analyzing trace with hash -467617706, now seen corresponding path program 1 times [2024-11-08 17:05:54,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:54,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278835941] [2024-11-08 17:05:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:54,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:05:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:05:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:05:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:05:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:05:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:05:55,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:55,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278835941] [2024-11-08 17:05:55,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278835941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:55,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049670675] [2024-11-08 17:05:55,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:55,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:55,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:55,176 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:55,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 17:05:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:55,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:05:55,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 17:05:55,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:05:55,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049670675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:55,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:05:55,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-08 17:05:55,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407786331] [2024-11-08 17:05:55,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:55,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:05:55,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:55,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:05:55,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:05:55,408 INFO L87 Difference]: Start difference. First operand 511 states and 692 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:05:55,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:55,695 INFO L93 Difference]: Finished difference Result 526 states and 705 transitions. [2024-11-08 17:05:55,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:05:55,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 82 [2024-11-08 17:05:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:55,699 INFO L225 Difference]: With dead ends: 526 [2024-11-08 17:05:55,699 INFO L226 Difference]: Without dead ends: 524 [2024-11-08 17:05:55,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:05:55,700 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 54 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:55,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 93 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:05:55,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-08 17:05:55,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 515. [2024-11-08 17:05:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 438 states have (on average 1.3470319634703196) internal successors, (590), 456 states have internal predecessors, (590), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-08 17:05:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 692 transitions. [2024-11-08 17:05:55,783 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 692 transitions. Word has length 82 [2024-11-08 17:05:55,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:55,783 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 692 transitions. [2024-11-08 17:05:55,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:05:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 692 transitions. [2024-11-08 17:05:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 17:05:55,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:55,786 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:55,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-08 17:05:55,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-08 17:05:55,987 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:55,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:55,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1994341145, now seen corresponding path program 1 times [2024-11-08 17:05:55,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:55,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904507891] [2024-11-08 17:05:55,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:55,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:05:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:05:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:05:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:05:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:05:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:05:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:05:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:05:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:05:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 17:05:56,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:56,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904507891] [2024-11-08 17:05:56,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904507891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:56,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689674434] [2024-11-08 17:05:56,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:56,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:56,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:56,207 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:56,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-08 17:05:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:56,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 17:05:56,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 17:05:56,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:05:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 17:05:56,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689674434] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:05:56,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:05:56,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 13 [2024-11-08 17:05:56,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325423057] [2024-11-08 17:05:56,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:05:56,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:05:56,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:56,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:05:56,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:05:56,610 INFO L87 Difference]: Start difference. First operand 515 states and 692 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-08 17:05:56,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:56,993 INFO L93 Difference]: Finished difference Result 551 states and 728 transitions. [2024-11-08 17:05:56,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 17:05:56,994 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 86 [2024-11-08 17:05:56,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:56,997 INFO L225 Difference]: With dead ends: 551 [2024-11-08 17:05:56,997 INFO L226 Difference]: Without dead ends: 539 [2024-11-08 17:05:56,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 181 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:05:56,998 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 63 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:56,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 520 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:05:56,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-08 17:05:57,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 529. [2024-11-08 17:05:57,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 451 states have (on average 1.334811529933481) internal successors, (602), 469 states have internal predecessors, (602), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-08 17:05:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 704 transitions. [2024-11-08 17:05:57,069 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 704 transitions. Word has length 86 [2024-11-08 17:05:57,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:57,070 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 704 transitions. [2024-11-08 17:05:57,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-08 17:05:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 704 transitions. [2024-11-08 17:05:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 17:05:57,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:57,073 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:57,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-08 17:05:57,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-08 17:05:57,277 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:57,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:57,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1120129820, now seen corresponding path program 1 times [2024-11-08 17:05:57,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:57,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750892629] [2024-11-08 17:05:57,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:57,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:05:57,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634617792] [2024-11-08 17:05:57,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:57,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:57,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:57,314 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:57,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 17:05:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:57,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:05:57,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:05:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:05:58,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:05:58,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:58,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750892629] [2024-11-08 17:05:58,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:05:58,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634617792] [2024-11-08 17:05:58,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634617792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:05:58,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:05:58,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-08 17:05:58,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25815420] [2024-11-08 17:05:58,643 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:05:58,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:05:58,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:58,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:05:58,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:05:58,645 INFO L87 Difference]: Start difference. First operand 529 states and 704 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:05:59,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:59,404 INFO L93 Difference]: Finished difference Result 598 states and 796 transitions. [2024-11-08 17:05:59,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:05:59,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2024-11-08 17:05:59,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:59,408 INFO L225 Difference]: With dead ends: 598 [2024-11-08 17:05:59,409 INFO L226 Difference]: Without dead ends: 597 [2024-11-08 17:05:59,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:05:59,410 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 65 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:59,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 363 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:05:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-08 17:05:59,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 569. [2024-11-08 17:05:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 487 states have (on average 1.3305954825462012) internal successors, (648), 505 states have internal predecessors, (648), 55 states have call successors, (55), 8 states have call predecessors, (55), 8 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-08 17:05:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 758 transitions. [2024-11-08 17:05:59,481 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 758 transitions. Word has length 87 [2024-11-08 17:05:59,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:59,482 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 758 transitions. [2024-11-08 17:05:59,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:05:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 758 transitions. [2024-11-08 17:05:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 17:05:59,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:59,483 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:59,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-08 17:05:59,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-08 17:05:59,688 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:05:59,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:59,688 INFO L85 PathProgramCache]: Analyzing trace with hash 364286143, now seen corresponding path program 1 times [2024-11-08 17:05:59,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:59,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591866646] [2024-11-08 17:05:59,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:59,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:05:59,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168125603] [2024-11-08 17:05:59,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:59,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:59,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:05:59,727 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:05:59,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-08 17:05:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:59,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:05:59,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:06:00,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:00,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:00,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591866646] [2024-11-08 17:06:00,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:06:00,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168125603] [2024-11-08 17:06:00,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168125603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:00,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:00,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-08 17:06:00,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251856996] [2024-11-08 17:06:00,824 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:00,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:06:00,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:00,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:06:00,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:06:00,826 INFO L87 Difference]: Start difference. First operand 569 states and 758 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:06:01,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:01,344 INFO L93 Difference]: Finished difference Result 625 states and 836 transitions. [2024-11-08 17:06:01,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:06:01,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2024-11-08 17:06:01,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:01,348 INFO L225 Difference]: With dead ends: 625 [2024-11-08 17:06:01,348 INFO L226 Difference]: Without dead ends: 624 [2024-11-08 17:06:01,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:06:01,350 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 65 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:01,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 263 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:06:01,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-08 17:06:01,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 609. [2024-11-08 17:06:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 523 states have (on average 1.3269598470363289) internal successors, (694), 541 states have internal predecessors, (694), 59 states have call successors, (59), 8 states have call predecessors, (59), 8 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-08 17:06:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 812 transitions. [2024-11-08 17:06:01,425 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 812 transitions. Word has length 88 [2024-11-08 17:06:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:01,425 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 812 transitions. [2024-11-08 17:06:01,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:06:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 812 transitions. [2024-11-08 17:06:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 17:06:01,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:01,427 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:01,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-08 17:06:01,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-08 17:06:01,628 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:01,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1592031362, now seen corresponding path program 1 times [2024-11-08 17:06:01,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:01,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584774877] [2024-11-08 17:06:01,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:01,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:01,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:06:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:01,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:06:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:06:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:01,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:06:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:01,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:06:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:01,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:06:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:01,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:06:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:01,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:06:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 17:06:01,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:01,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584774877] [2024-11-08 17:06:01,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584774877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:01,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:01,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:06:01,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421804740] [2024-11-08 17:06:01,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:01,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:06:01,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:01,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:06:01,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:06:01,775 INFO L87 Difference]: Start difference. First operand 609 states and 812 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:06:02,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:02,550 INFO L93 Difference]: Finished difference Result 614 states and 819 transitions. [2024-11-08 17:06:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:06:02,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-08 17:06:02,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:02,554 INFO L225 Difference]: With dead ends: 614 [2024-11-08 17:06:02,554 INFO L226 Difference]: Without dead ends: 613 [2024-11-08 17:06:02,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:06:02,556 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 89 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:02,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 112 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:06:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-08 17:06:02,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 608. [2024-11-08 17:06:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 523 states have (on average 1.311663479923518) internal successors, (686), 540 states have internal predecessors, (686), 59 states have call successors, (59), 8 states have call predecessors, (59), 8 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-08 17:06:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 804 transitions. [2024-11-08 17:06:02,627 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 804 transitions. Word has length 89 [2024-11-08 17:06:02,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:02,627 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 804 transitions. [2024-11-08 17:06:02,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 17:06:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 804 transitions. [2024-11-08 17:06:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 17:06:02,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:02,629 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:02,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 17:06:02,631 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:02,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:02,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2108331871, now seen corresponding path program 1 times [2024-11-08 17:06:02,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:02,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43597522] [2024-11-08 17:06:02,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:02,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:06:02,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [162284807] [2024-11-08 17:06:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:02,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:02,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:02,668 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:02,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 17:06:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:02,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 17:06:02,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:06:03,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:06:08,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:08,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43597522] [2024-11-08 17:06:08,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:06:08,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162284807] [2024-11-08 17:06:08,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162284807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:06:08,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:06:08,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-08 17:06:08,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436222633] [2024-11-08 17:06:08,675 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:08,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 17:06:08,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:08,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 17:06:08,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-11-08 17:06:08,677 INFO L87 Difference]: Start difference. First operand 608 states and 804 transitions. Second operand has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-08 17:06:14,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:14,420 INFO L93 Difference]: Finished difference Result 777 states and 1036 transitions. [2024-11-08 17:06:14,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 17:06:14,421 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 90 [2024-11-08 17:06:14,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:14,427 INFO L225 Difference]: With dead ends: 777 [2024-11-08 17:06:14,427 INFO L226 Difference]: Without dead ends: 627 [2024-11-08 17:06:14,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 17:06:14,429 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 316 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:14,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 402 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 17:06:14,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-08 17:06:14,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 563. [2024-11-08 17:06:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 484 states have (on average 1.3243801652892562) internal successors, (641), 501 states have internal predecessors, (641), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-08 17:06:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 747 transitions. [2024-11-08 17:06:14,516 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 747 transitions. Word has length 90 [2024-11-08 17:06:14,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:14,517 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 747 transitions. [2024-11-08 17:06:14,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-08 17:06:14,517 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 747 transitions. [2024-11-08 17:06:14,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 17:06:14,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:14,518 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-08 17:06:14,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-08 17:06:14,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-08 17:06:14,723 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:14,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:14,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1758043153, now seen corresponding path program 3 times [2024-11-08 17:06:14,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:14,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871067712] [2024-11-08 17:06:14,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:14,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:06:14,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651440416] [2024-11-08 17:06:14,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 17:06:14,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:14,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:14,747 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:14,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-08 17:06:14,900 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-08 17:06:14,900 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:06:14,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:06:14,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 44 proven. 38 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-08 17:06:15,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:16,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:16,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871067712] [2024-11-08 17:06:16,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:06:16,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651440416] [2024-11-08 17:06:16,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651440416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:16,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:16,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-08 17:06:16,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500394000] [2024-11-08 17:06:16,029 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:16,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:06:16,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:16,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:06:16,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:06:16,030 INFO L87 Difference]: Start difference. First operand 563 states and 747 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:06:20,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:06:25,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:06:30,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:06:35,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:06:39,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:06:39,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:39,926 INFO L93 Difference]: Finished difference Result 742 states and 968 transitions. [2024-11-08 17:06:39,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 17:06:39,927 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2024-11-08 17:06:39,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:39,931 INFO L225 Difference]: With dead ends: 742 [2024-11-08 17:06:39,931 INFO L226 Difference]: Without dead ends: 727 [2024-11-08 17:06:39,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2024-11-08 17:06:39,933 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 201 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 25 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:39,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 515 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 627 Invalid, 5 Unknown, 0 Unchecked, 23.6s Time] [2024-11-08 17:06:39,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-08 17:06:40,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 664. [2024-11-08 17:06:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 573 states have (on average 1.3019197207678883) internal successors, (746), 588 states have internal predecessors, (746), 67 states have call successors, (67), 8 states have call predecessors, (67), 8 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-08 17:06:40,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 880 transitions. [2024-11-08 17:06:40,047 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 880 transitions. Word has length 98 [2024-11-08 17:06:40,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:40,048 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 880 transitions. [2024-11-08 17:06:40,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:06:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 880 transitions. [2024-11-08 17:06:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 17:06:40,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:40,050 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:40,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-08 17:06:40,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:40,251 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:40,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:40,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1172645408, now seen corresponding path program 1 times [2024-11-08 17:06:40,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:40,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482141939] [2024-11-08 17:06:40,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:40,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:06:40,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1646817219] [2024-11-08 17:06:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:40,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:40,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:40,295 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:40,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-08 17:06:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:40,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:06:40,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 17:06:41,051 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:41,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:41,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482141939] [2024-11-08 17:06:41,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:06:41,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646817219] [2024-11-08 17:06:41,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646817219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:41,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:41,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-08 17:06:41,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928969826] [2024-11-08 17:06:41,636 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:41,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:06:41,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:41,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:06:41,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:06:41,637 INFO L87 Difference]: Start difference. First operand 664 states and 880 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 17:06:42,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:42,129 INFO L93 Difference]: Finished difference Result 669 states and 887 transitions. [2024-11-08 17:06:42,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:06:42,130 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-11-08 17:06:42,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:42,133 INFO L225 Difference]: With dead ends: 669 [2024-11-08 17:06:42,133 INFO L226 Difference]: Without dead ends: 668 [2024-11-08 17:06:42,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:06:42,134 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 29 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:42,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 283 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:06:42,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-11-08 17:06:42,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 665. [2024-11-08 17:06:42,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 574 states have (on average 1.3013937282229966) internal successors, (747), 589 states have internal predecessors, (747), 67 states have call successors, (67), 8 states have call predecessors, (67), 8 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-08 17:06:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 881 transitions. [2024-11-08 17:06:42,233 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 881 transitions. Word has length 104 [2024-11-08 17:06:42,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:42,233 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 881 transitions. [2024-11-08 17:06:42,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 17:06:42,233 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 881 transitions. [2024-11-08 17:06:42,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 17:06:42,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:42,235 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:42,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-08 17:06:42,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:42,436 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:42,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:42,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1992269145, now seen corresponding path program 1 times [2024-11-08 17:06:42,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:42,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123198944] [2024-11-08 17:06:42,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:42,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:06:42,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1020928452] [2024-11-08 17:06:42,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:42,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:42,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:42,476 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:42,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-08 17:06:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:42,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 17:06:42,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 17:06:43,240 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:44,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:44,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123198944] [2024-11-08 17:06:44,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:06:44,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020928452] [2024-11-08 17:06:44,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020928452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:44,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:44,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-08 17:06:44,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173246414] [2024-11-08 17:06:44,638 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:44,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:06:44,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:44,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:06:44,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:06:44,640 INFO L87 Difference]: Start difference. First operand 665 states and 881 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 17:06:45,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:45,498 INFO L93 Difference]: Finished difference Result 921 states and 1248 transitions. [2024-11-08 17:06:45,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:06:45,499 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 105 [2024-11-08 17:06:45,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:45,502 INFO L225 Difference]: With dead ends: 921 [2024-11-08 17:06:45,502 INFO L226 Difference]: Without dead ends: 571 [2024-11-08 17:06:45,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:06:45,504 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 60 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:45,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 358 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:06:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2024-11-08 17:06:45,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 558. [2024-11-08 17:06:45,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 479 states have (on average 1.3068893528183716) internal successors, (626), 494 states have internal predecessors, (626), 55 states have call successors, (55), 8 states have call predecessors, (55), 8 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-08 17:06:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 736 transitions. [2024-11-08 17:06:45,587 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 736 transitions. Word has length 105 [2024-11-08 17:06:45,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:45,588 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 736 transitions. [2024-11-08 17:06:45,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 17:06:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 736 transitions. [2024-11-08 17:06:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 17:06:45,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:45,589 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:45,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-08 17:06:45,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:45,790 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:45,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:45,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1630801214, now seen corresponding path program 1 times [2024-11-08 17:06:45,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:45,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438311040] [2024-11-08 17:06:45,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:45,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:06:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:06:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:06:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:06:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:06:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:06:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:06:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:06:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:06:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:06:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:46,080 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-08 17:06:46,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:46,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438311040] [2024-11-08 17:06:46,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438311040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:46,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:46,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:06:46,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641211437] [2024-11-08 17:06:46,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:46,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:06:46,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:46,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:06:46,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:06:46,083 INFO L87 Difference]: Start difference. First operand 558 states and 736 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 17:06:47,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:47,019 INFO L93 Difference]: Finished difference Result 558 states and 736 transitions. [2024-11-08 17:06:47,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:06:47,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2024-11-08 17:06:47,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:47,022 INFO L225 Difference]: With dead ends: 558 [2024-11-08 17:06:47,022 INFO L226 Difference]: Without dead ends: 557 [2024-11-08 17:06:47,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:06:47,024 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 57 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:47,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 143 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:06:47,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-11-08 17:06:47,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2024-11-08 17:06:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 479 states have (on average 1.3048016701461378) internal successors, (625), 493 states have internal predecessors, (625), 55 states have call successors, (55), 8 states have call predecessors, (55), 8 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-08 17:06:47,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 735 transitions. [2024-11-08 17:06:47,104 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 735 transitions. Word has length 106 [2024-11-08 17:06:47,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:47,105 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 735 transitions. [2024-11-08 17:06:47,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 17:06:47,105 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 735 transitions. [2024-11-08 17:06:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:06:47,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:47,107 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-08 17:06:47,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 17:06:47,108 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:47,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:47,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1753565468, now seen corresponding path program 1 times [2024-11-08 17:06:47,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:47,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807489390] [2024-11-08 17:06:47,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:47,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:06:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:06:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:06:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:06:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:06:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:06:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:06:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:06:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:06:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:06:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:06:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:06:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:06:47,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:47,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807489390] [2024-11-08 17:06:47,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807489390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:47,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944410220] [2024-11-08 17:06:47,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:47,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:47,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:47,302 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:47,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-08 17:06:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:06:47,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:06:47,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:06:47,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944410220] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:06:47,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:06:47,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-08 17:06:47,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466438174] [2024-11-08 17:06:47,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:47,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:06:47,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:47,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:06:47,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:06:47,701 INFO L87 Difference]: Start difference. First operand 557 states and 735 transitions. Second operand has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-08 17:06:48,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:48,186 INFO L93 Difference]: Finished difference Result 1095 states and 1420 transitions. [2024-11-08 17:06:48,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:06:48,187 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 108 [2024-11-08 17:06:48,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:48,191 INFO L225 Difference]: With dead ends: 1095 [2024-11-08 17:06:48,191 INFO L226 Difference]: Without dead ends: 1092 [2024-11-08 17:06:48,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:06:48,192 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 532 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:48,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 377 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:06:48,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-08 17:06:48,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 676. [2024-11-08 17:06:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 580 states have (on average 1.2879310344827586) internal successors, (747), 594 states have internal predecessors, (747), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-08 17:06:48,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 893 transitions. [2024-11-08 17:06:48,280 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 893 transitions. Word has length 108 [2024-11-08 17:06:48,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:48,281 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 893 transitions. [2024-11-08 17:06:48,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-08 17:06:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 893 transitions. [2024-11-08 17:06:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 17:06:48,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:48,283 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:48,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-08 17:06:48,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:48,484 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:48,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:48,484 INFO L85 PathProgramCache]: Analyzing trace with hash 984770057, now seen corresponding path program 1 times [2024-11-08 17:06:48,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:48,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835036427] [2024-11-08 17:06:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:48,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:06:48,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226300055] [2024-11-08 17:06:48,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:48,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:48,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:48,522 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:48,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-08 17:06:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:48,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 17:06:48,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-08 17:06:49,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:49,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:49,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835036427] [2024-11-08 17:06:49,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:06:49,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226300055] [2024-11-08 17:06:49,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226300055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:49,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:49,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-08 17:06:49,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901658051] [2024-11-08 17:06:49,212 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:49,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:06:49,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:49,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:06:49,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:06:49,214 INFO L87 Difference]: Start difference. First operand 676 states and 893 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 17:06:49,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:49,622 INFO L93 Difference]: Finished difference Result 691 states and 909 transitions. [2024-11-08 17:06:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:06:49,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 107 [2024-11-08 17:06:49,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:49,627 INFO L225 Difference]: With dead ends: 691 [2024-11-08 17:06:49,627 INFO L226 Difference]: Without dead ends: 686 [2024-11-08 17:06:49,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:06:49,628 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 11 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:49,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 202 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:06:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-08 17:06:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 674. [2024-11-08 17:06:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 578 states have (on average 1.28719723183391) internal successors, (744), 592 states have internal predecessors, (744), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-08 17:06:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 890 transitions. [2024-11-08 17:06:49,738 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 890 transitions. Word has length 107 [2024-11-08 17:06:49,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:49,739 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 890 transitions. [2024-11-08 17:06:49,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 17:06:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 890 transitions. [2024-11-08 17:06:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 17:06:49,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:49,741 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:49,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-08 17:06:49,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:49,942 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:49,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:49,943 INFO L85 PathProgramCache]: Analyzing trace with hash 396588908, now seen corresponding path program 1 times [2024-11-08 17:06:49,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:49,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030336375] [2024-11-08 17:06:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:49,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:06:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:06:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:06:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:06:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:06:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:06:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:06:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:06:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:06:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:06:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-08 17:06:50,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:50,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030336375] [2024-11-08 17:06:50,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030336375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:50,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770743578] [2024-11-08 17:06:50,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:50,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:50,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:50,332 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:50,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-08 17:06:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:06:50,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:50,553 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 17:06:50,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 17:06:50,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770743578] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:06:50,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:06:50,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-11-08 17:06:50,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818030449] [2024-11-08 17:06:50,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:50,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:06:50,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:50,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:06:50,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:06:50,747 INFO L87 Difference]: Start difference. First operand 674 states and 890 transitions. Second operand has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-08 17:06:51,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:51,886 INFO L93 Difference]: Finished difference Result 1115 states and 1514 transitions. [2024-11-08 17:06:51,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:06:51,887 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 110 [2024-11-08 17:06:51,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:51,892 INFO L225 Difference]: With dead ends: 1115 [2024-11-08 17:06:51,892 INFO L226 Difference]: Without dead ends: 949 [2024-11-08 17:06:51,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:06:51,894 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 240 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:51,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 656 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:06:51,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-08 17:06:52,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 662. [2024-11-08 17:06:52,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 567 states have (on average 1.3227513227513228) internal successors, (750), 581 states have internal predecessors, (750), 73 states have call successors, (73), 7 states have call predecessors, (73), 7 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-08 17:06:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 896 transitions. [2024-11-08 17:06:52,038 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 896 transitions. Word has length 110 [2024-11-08 17:06:52,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:52,038 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 896 transitions. [2024-11-08 17:06:52,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-08 17:06:52,039 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 896 transitions. [2024-11-08 17:06:52,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 17:06:52,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:52,041 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:52,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-08 17:06:52,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:52,247 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:52,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:52,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1163906396, now seen corresponding path program 2 times [2024-11-08 17:06:52,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:52,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969131837] [2024-11-08 17:06:52,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:52,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:06:52,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782671393] [2024-11-08 17:06:52,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:06:52,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:52,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:52,280 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:52,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-08 17:06:52,371 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:06:52,372 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:06:52,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:06:52,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 17:06:52,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:53,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:53,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969131837] [2024-11-08 17:06:53,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:06:53,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782671393] [2024-11-08 17:06:53,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782671393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:53,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:53,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-08 17:06:53,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383230239] [2024-11-08 17:06:53,693 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:53,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:06:53,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:53,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:06:53,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:06:53,694 INFO L87 Difference]: Start difference. First operand 662 states and 896 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 17:06:54,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:54,007 INFO L93 Difference]: Finished difference Result 672 states and 908 transitions. [2024-11-08 17:06:54,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:06:54,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 113 [2024-11-08 17:06:54,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:54,011 INFO L225 Difference]: With dead ends: 672 [2024-11-08 17:06:54,012 INFO L226 Difference]: Without dead ends: 670 [2024-11-08 17:06:54,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:06:54,013 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 84 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:54,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 240 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:06:54,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-11-08 17:06:54,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 660. [2024-11-08 17:06:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 567 states have (on average 1.2698412698412698) internal successors, (720), 579 states have internal predecessors, (720), 73 states have call successors, (73), 7 states have call predecessors, (73), 7 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-08 17:06:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 866 transitions. [2024-11-08 17:06:54,126 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 866 transitions. Word has length 113 [2024-11-08 17:06:54,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:54,127 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 866 transitions. [2024-11-08 17:06:54,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 17:06:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 866 transitions. [2024-11-08 17:06:54,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-08 17:06:54,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:54,129 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:54,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-08 17:06:54,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:54,330 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:06:54,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:54,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1721359999, now seen corresponding path program 2 times [2024-11-08 17:06:54,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:54,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040658937] [2024-11-08 17:06:54,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:54,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:06:54,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724000165] [2024-11-08 17:06:54,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:06:54,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:54,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:54,370 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:54,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-08 17:06:54,465 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:06:54,465 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:06:54,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 17:06:54,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 17:06:54,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:59,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:59,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040658937] [2024-11-08 17:06:59,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:06:59,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724000165] [2024-11-08 17:06:59,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724000165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:59,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:59,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-08 17:06:59,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985855501] [2024-11-08 17:06:59,516 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:59,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:06:59,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:59,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:06:59,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-11-08 17:06:59,518 INFO L87 Difference]: Start difference. First operand 660 states and 866 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 17:06:59,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:59,732 INFO L93 Difference]: Finished difference Result 702 states and 920 transitions. [2024-11-08 17:06:59,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:06:59,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 114 [2024-11-08 17:06:59,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:59,735 INFO L225 Difference]: With dead ends: 702 [2024-11-08 17:06:59,735 INFO L226 Difference]: Without dead ends: 701 [2024-11-08 17:06:59,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-11-08 17:06:59,737 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 49 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:59,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 201 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:06:59,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-08 17:06:59,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 688. [2024-11-08 17:06:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 591 states have (on average 1.2656514382402708) internal successors, (748), 603 states have internal predecessors, (748), 77 states have call successors, (77), 7 states have call predecessors, (77), 7 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-08 17:06:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 902 transitions. [2024-11-08 17:06:59,824 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 902 transitions. Word has length 114 [2024-11-08 17:06:59,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:59,825 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 902 transitions. [2024-11-08 17:06:59,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 17:06:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 902 transitions. [2024-11-08 17:06:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:06:59,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:59,827 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:59,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-08 17:07:00,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:00,031 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:07:00,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:00,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1101158926, now seen corresponding path program 2 times [2024-11-08 17:07:00,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:00,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428570018] [2024-11-08 17:07:00,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:00,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:07:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:07:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:07:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:07:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:07:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:07:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:07:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:07:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:07:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:07:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:07:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:07:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:07:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:07:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:07:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 17:07:00,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:00,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428570018] [2024-11-08 17:07:00,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428570018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:07:00,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048783137] [2024-11-08 17:07:00,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:07:00,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:00,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:07:00,414 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:07:00,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-08 17:07:00,475 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 17:07:00,475 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:07:00,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:07:00,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:07:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-08 17:07:00,538 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:07:00,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048783137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:07:00,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:07:00,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 14 [2024-11-08 17:07:00,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802991747] [2024-11-08 17:07:00,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:07:00,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:07:00,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:00,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:07:00,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:07:00,540 INFO L87 Difference]: Start difference. First operand 688 states and 902 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-08 17:07:00,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:00,730 INFO L93 Difference]: Finished difference Result 689 states and 902 transitions. [2024-11-08 17:07:00,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:07:00,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 133 [2024-11-08 17:07:00,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:00,734 INFO L225 Difference]: With dead ends: 689 [2024-11-08 17:07:00,734 INFO L226 Difference]: Without dead ends: 688 [2024-11-08 17:07:00,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:07:00,735 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 16 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:00,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 207 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:07:00,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-08 17:07:00,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2024-11-08 17:07:00,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 591 states have (on average 1.2622673434856175) internal successors, (746), 603 states have internal predecessors, (746), 77 states have call successors, (77), 7 states have call predecessors, (77), 7 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-08 17:07:00,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 900 transitions. [2024-11-08 17:07:00,854 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 900 transitions. Word has length 133 [2024-11-08 17:07:00,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:00,855 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 900 transitions. [2024-11-08 17:07:00,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-08 17:07:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 900 transitions. [2024-11-08 17:07:00,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:07:00,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:00,857 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2024-11-08 17:07:00,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-08 17:07:01,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-08 17:07:01,058 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:07:01,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:01,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1437921303, now seen corresponding path program 2 times [2024-11-08 17:07:01,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:01,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441548181] [2024-11-08 17:07:01,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:01,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:07:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:07:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:07:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:07:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:07:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:07:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:07:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:07:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:07:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:07:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:07:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:07:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:07:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:07:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:07:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 17:07:01,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:01,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441548181] [2024-11-08 17:07:01,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441548181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:07:01,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631486121] [2024-11-08 17:07:01,394 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:07:01,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:01,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:07:01,396 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:07:01,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-08 17:07:01,488 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:07:01,488 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:07:01,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:07:01,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:07:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 15 proven. 500 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 17:07:01,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:07:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 15 proven. 140 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 17:07:02,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631486121] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:07:02,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:07:02,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 33 [2024-11-08 17:07:02,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552024967] [2024-11-08 17:07:02,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:07:02,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 17:07:02,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:02,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 17:07:02,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=835, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 17:07:02,240 INFO L87 Difference]: Start difference. First operand 688 states and 900 transitions. Second operand has 34 states, 33 states have (on average 5.7272727272727275) internal successors, (189), 34 states have internal predecessors, (189), 14 states have call successors, (45), 6 states have call predecessors, (45), 6 states have return successors, (45), 14 states have call predecessors, (45), 14 states have call successors, (45) [2024-11-08 17:07:02,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:02,720 INFO L93 Difference]: Finished difference Result 689 states and 900 transitions. [2024-11-08 17:07:02,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 17:07:02,724 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 5.7272727272727275) internal successors, (189), 34 states have internal predecessors, (189), 14 states have call successors, (45), 6 states have call predecessors, (45), 6 states have return successors, (45), 14 states have call predecessors, (45), 14 states have call successors, (45) Word has length 137 [2024-11-08 17:07:02,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:02,734 INFO L225 Difference]: With dead ends: 689 [2024-11-08 17:07:02,737 INFO L226 Difference]: Without dead ends: 688 [2024-11-08 17:07:02,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=695, Invalid=1375, Unknown=0, NotChecked=0, Total=2070 [2024-11-08 17:07:02,739 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 118 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:02,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 599 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:07:02,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-08 17:07:02,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 687. [2024-11-08 17:07:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 591 states have (on average 1.2554991539763114) internal successors, (742), 602 states have internal predecessors, (742), 77 states have call successors, (77), 7 states have call predecessors, (77), 7 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-08 17:07:02,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 896 transitions. [2024-11-08 17:07:02,871 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 896 transitions. Word has length 137 [2024-11-08 17:07:02,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:02,872 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 896 transitions. [2024-11-08 17:07:02,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 5.7272727272727275) internal successors, (189), 34 states have internal predecessors, (189), 14 states have call successors, (45), 6 states have call predecessors, (45), 6 states have return successors, (45), 14 states have call predecessors, (45), 14 states have call successors, (45) [2024-11-08 17:07:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 896 transitions. [2024-11-08 17:07:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:07:02,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:02,874 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:02,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-08 17:07:03,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-08 17:07:03,079 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:07:03,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:03,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1986220858, now seen corresponding path program 1 times [2024-11-08 17:07:03,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:03,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885746426] [2024-11-08 17:07:03,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:03,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:07:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:07:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:07:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:07:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:07:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:07:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:07:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:07:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:07:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:07:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:07:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:07:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:07:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:07:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:07:03,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:03,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885746426] [2024-11-08 17:07:03,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885746426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:07:03,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475021720] [2024-11-08 17:07:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:03,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:03,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:07:03,437 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:07:03,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-08 17:07:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:03,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 17:07:03,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:07:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 17:07:03,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:07:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:07:04,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475021720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:07:04,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:07:04,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2024-11-08 17:07:04,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428180315] [2024-11-08 17:07:04,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:07:04,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-08 17:07:04,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:04,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-08 17:07:04,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2024-11-08 17:07:04,099 INFO L87 Difference]: Start difference. First operand 687 states and 896 transitions. Second operand has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-08 17:07:05,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:05,008 INFO L93 Difference]: Finished difference Result 838 states and 1062 transitions. [2024-11-08 17:07:05,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-08 17:07:05,009 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 137 [2024-11-08 17:07:05,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:05,024 INFO L225 Difference]: With dead ends: 838 [2024-11-08 17:07:05,025 INFO L226 Difference]: Without dead ends: 837 [2024-11-08 17:07:05,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=667, Invalid=2195, Unknown=0, NotChecked=0, Total=2862 [2024-11-08 17:07:05,028 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 224 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:05,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 556 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:07:05,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-08 17:07:05,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 798. [2024-11-08 17:07:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 689 states have (on average 1.2380261248185775) internal successors, (853), 700 states have internal predecessors, (853), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-08 17:07:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1019 transitions. [2024-11-08 17:07:05,136 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1019 transitions. Word has length 137 [2024-11-08 17:07:05,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:05,137 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1019 transitions. [2024-11-08 17:07:05,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-08 17:07:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1019 transitions. [2024-11-08 17:07:05,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 17:07:05,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:05,138 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:05,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-08 17:07:05,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:05,343 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:07:05,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:05,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1480306, now seen corresponding path program 1 times [2024-11-08 17:07:05,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:05,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585574552] [2024-11-08 17:07:05,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:05,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:07:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:07:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:07:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:07:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:07:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:07:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:07:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:07:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:07:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:07:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:07:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:07:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:07:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 17:07:05,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:05,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585574552] [2024-11-08 17:07:05,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585574552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:07:05,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320384930] [2024-11-08 17:07:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:05,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:05,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:07:05,795 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:07:05,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-08 17:07:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:05,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:07:05,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:07:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 17:07:06,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:07:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 17:07:08,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320384930] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:07:08,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:07:08,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-08 17:07:08,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202117158] [2024-11-08 17:07:08,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:07:08,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 17:07:08,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:08,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 17:07:08,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-08 17:07:08,812 INFO L87 Difference]: Start difference. First operand 798 states and 1019 transitions. Second operand has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-08 17:07:10,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:10,460 INFO L93 Difference]: Finished difference Result 1174 states and 1507 transitions. [2024-11-08 17:07:10,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 17:07:10,461 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 138 [2024-11-08 17:07:10,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:10,464 INFO L225 Difference]: With dead ends: 1174 [2024-11-08 17:07:10,465 INFO L226 Difference]: Without dead ends: 1173 [2024-11-08 17:07:10,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 17:07:10,466 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 432 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:10,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 702 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 17:07:10,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2024-11-08 17:07:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1032. [2024-11-08 17:07:10,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 903 states have (on average 1.2314507198228128) internal successors, (1112), 914 states have internal predecessors, (1112), 103 states have call successors, (103), 14 states have call predecessors, (103), 14 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-08 17:07:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1318 transitions. [2024-11-08 17:07:10,652 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1318 transitions. Word has length 138 [2024-11-08 17:07:10,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:10,653 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1318 transitions. [2024-11-08 17:07:10,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-08 17:07:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1318 transitions. [2024-11-08 17:07:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:07:10,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:10,654 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:10,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-08 17:07:10,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:10,856 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:07:10,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:10,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1792767882, now seen corresponding path program 1 times [2024-11-08 17:07:10,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:10,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218508038] [2024-11-08 17:07:10,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:10,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:07:10,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77053664] [2024-11-08 17:07:10,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:10,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:10,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:07:10,889 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:07:10,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-08 17:07:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:11,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 17:07:11,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:07:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:07:12,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:07:39,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:39,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218508038] [2024-11-08 17:07:39,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:07:39,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77053664] [2024-11-08 17:07:39,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77053664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:07:39,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:07:39,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-08 17:07:39,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407854875] [2024-11-08 17:07:39,491 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:07:39,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:07:39,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:39,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:07:39,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=222, Unknown=2, NotChecked=0, Total=306 [2024-11-08 17:07:39,493 INFO L87 Difference]: Start difference. First operand 1032 states and 1318 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-08 17:07:40,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:40,710 INFO L93 Difference]: Finished difference Result 1037 states and 1324 transitions. [2024-11-08 17:07:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:07:40,711 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 139 [2024-11-08 17:07:40,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:40,714 INFO L225 Difference]: With dead ends: 1037 [2024-11-08 17:07:40,714 INFO L226 Difference]: Without dead ends: 1036 [2024-11-08 17:07:40,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=100, Invalid=278, Unknown=2, NotChecked=0, Total=380 [2024-11-08 17:07:40,716 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 56 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:40,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 580 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 17:07:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-08 17:07:40,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1033. [2024-11-08 17:07:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 904 states have (on average 1.2311946902654867) internal successors, (1113), 915 states have internal predecessors, (1113), 103 states have call successors, (103), 14 states have call predecessors, (103), 14 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-08 17:07:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1319 transitions. [2024-11-08 17:07:40,851 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1319 transitions. Word has length 139 [2024-11-08 17:07:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:40,853 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1319 transitions. [2024-11-08 17:07:40,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-08 17:07:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1319 transitions. [2024-11-08 17:07:40,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:07:40,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:40,857 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:40,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-08 17:07:41,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-08 17:07:41,057 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:07:41,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:41,058 INFO L85 PathProgramCache]: Analyzing trace with hash 201275724, now seen corresponding path program 1 times [2024-11-08 17:07:41,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:41,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141661744] [2024-11-08 17:07:41,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:41,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:07:41,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126553263] [2024-11-08 17:07:41,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:41,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:41,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:07:41,116 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:07:41,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-08 17:07:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:41,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 17:07:41,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:07:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 17:07:43,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:07:47,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:47,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141661744] [2024-11-08 17:07:47,428 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:07:47,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126553263] [2024-11-08 17:07:47,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126553263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:07:47,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:07:47,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-08 17:07:47,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611158024] [2024-11-08 17:07:47,429 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:07:47,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 17:07:47,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:47,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 17:07:47,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-08 17:07:47,431 INFO L87 Difference]: Start difference. First operand 1033 states and 1319 transitions. Second operand has 15 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-08 17:07:48,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:48,367 INFO L93 Difference]: Finished difference Result 1038 states and 1325 transitions. [2024-11-08 17:07:48,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:07:48,367 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 139 [2024-11-08 17:07:48,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:48,372 INFO L225 Difference]: With dead ends: 1038 [2024-11-08 17:07:48,372 INFO L226 Difference]: Without dead ends: 1037 [2024-11-08 17:07:48,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:07:48,374 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 36 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:48,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 542 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:07:48,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-11-08 17:07:48,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1033. [2024-11-08 17:07:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 904 states have (on average 1.2311946902654867) internal successors, (1113), 915 states have internal predecessors, (1113), 103 states have call successors, (103), 14 states have call predecessors, (103), 14 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-08 17:07:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1319 transitions. [2024-11-08 17:07:48,495 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1319 transitions. Word has length 139 [2024-11-08 17:07:48,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:48,495 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1319 transitions. [2024-11-08 17:07:48,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-08 17:07:48,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1319 transitions. [2024-11-08 17:07:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:07:48,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:48,496 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:48,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-08 17:07:48,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-08 17:07:48,697 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:07:48,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:48,697 INFO L85 PathProgramCache]: Analyzing trace with hash -258770371, now seen corresponding path program 1 times [2024-11-08 17:07:48,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:48,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988110095] [2024-11-08 17:07:48,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:48,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:07:48,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1262236836] [2024-11-08 17:07:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:48,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:48,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:07:48,720 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:07:48,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-08 17:07:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:48,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 17:07:48,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:07:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:07:50,794 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:07:52,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:52,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988110095] [2024-11-08 17:07:52,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:07:52,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262236836] [2024-11-08 17:07:52,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262236836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:07:52,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:07:52,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-08 17:07:52,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950403410] [2024-11-08 17:07:52,178 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:07:52,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:07:52,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:52,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:07:52,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:07:52,179 INFO L87 Difference]: Start difference. First operand 1033 states and 1319 transitions. Second operand has 14 states, 13 states have (on average 5.615384615384615) internal successors, (73), 14 states have internal predecessors, (73), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-08 17:07:53,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:53,508 INFO L93 Difference]: Finished difference Result 1039 states and 1324 transitions. [2024-11-08 17:07:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:07:53,509 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.615384615384615) internal successors, (73), 14 states have internal predecessors, (73), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 140 [2024-11-08 17:07:53,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:53,513 INFO L225 Difference]: With dead ends: 1039 [2024-11-08 17:07:53,513 INFO L226 Difference]: Without dead ends: 1037 [2024-11-08 17:07:53,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:07:53,515 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 42 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:53,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 740 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 17:07:53,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-11-08 17:07:53,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1035. [2024-11-08 17:07:53,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 906 states have (on average 1.229580573951435) internal successors, (1114), 917 states have internal predecessors, (1114), 103 states have call successors, (103), 14 states have call predecessors, (103), 14 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-08 17:07:53,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1320 transitions. [2024-11-08 17:07:53,640 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1320 transitions. Word has length 140 [2024-11-08 17:07:53,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:53,641 INFO L471 AbstractCegarLoop]: Abstraction has 1035 states and 1320 transitions. [2024-11-08 17:07:53,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.615384615384615) internal successors, (73), 14 states have internal predecessors, (73), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-08 17:07:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1320 transitions. [2024-11-08 17:07:53,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:07:53,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:53,642 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:53,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-08 17:07:53,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-08 17:07:53,843 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:07:53,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:53,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1944580283, now seen corresponding path program 1 times [2024-11-08 17:07:53,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:53,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571283292] [2024-11-08 17:07:53,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:53,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:07:53,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722537680] [2024-11-08 17:07:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:53,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:53,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:07:53,892 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:07:53,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-08 17:07:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:53,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 17:07:53,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:07:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 33 proven. 63 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-08 17:07:55,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:08:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 37 proven. 59 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-08 17:08:18,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:08:18,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571283292] [2024-11-08 17:08:18,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:08:18,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722537680] [2024-11-08 17:08:18,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722537680] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:08:18,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:08:18,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 30 [2024-11-08 17:08:18,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213933839] [2024-11-08 17:08:18,137 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:08:18,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-08 17:08:18,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:08:18,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-08 17:08:18,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=707, Unknown=1, NotChecked=0, Total=930 [2024-11-08 17:08:18,139 INFO L87 Difference]: Start difference. First operand 1035 states and 1320 transitions. Second operand has 31 states, 30 states have (on average 5.166666666666667) internal successors, (155), 31 states have internal predecessors, (155), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 9 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-08 17:10:57,255 WARN L286 SmtUtils]: Spent 2.63m on a formula simplification. DAG size of input: 129 DAG size of output: 102 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:11:01,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:11:05,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:11:11,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:13:21,876 WARN L286 SmtUtils]: Spent 2.12m on a formula simplification. DAG size of input: 124 DAG size of output: 97 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:13:33,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:13:38,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:13:42,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:13:54,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:13:58,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:14:00,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:14:04,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:14:15,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:14:19,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:14:31,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:14:35,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:14:42,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:15:29,805 WARN L286 SmtUtils]: Spent 37.17s on a formula simplification. DAG size of input: 94 DAG size of output: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:15:39,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:15:42,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:15:44,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:15:45,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:15:50,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:15:55,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:15:59,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:16:04,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:16:08,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:16:12,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:16:18,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:16:19,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:16:32,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:17:10,702 WARN L286 SmtUtils]: Spent 32.78s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:17:30,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:17:34,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:17:37,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:17:41,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:17:45,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:17:46,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:17:46,190 INFO L93 Difference]: Finished difference Result 1257 states and 1634 transitions. [2024-11-08 17:17:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-08 17:17:46,190 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 5.166666666666667) internal successors, (155), 31 states have internal predecessors, (155), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 9 states have call predecessors, (26), 11 states have call successors, (26) Word has length 140 [2024-11-08 17:17:46,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:17:46,195 INFO L225 Difference]: With dead ends: 1257 [2024-11-08 17:17:46,195 INFO L226 Difference]: Without dead ends: 1247 [2024-11-08 17:17:46,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 431.4s TimeCoverageRelationStatistics Valid=771, Invalid=2197, Unknown=2, NotChecked=0, Total=2970 [2024-11-08 17:17:46,197 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 633 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 1688 mSolverCounterSat, 188 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 148.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 1897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1688 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 148.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:17:46,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 697 Invalid, 1897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1688 Invalid, 21 Unknown, 0 Unchecked, 148.9s Time] [2024-11-08 17:17:46,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2024-11-08 17:17:46,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1167. [2024-11-08 17:17:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 1024 states have (on average 1.2490234375) internal successors, (1279), 1035 states have internal predecessors, (1279), 117 states have call successors, (117), 14 states have call predecessors, (117), 14 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-08 17:17:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1513 transitions. [2024-11-08 17:17:46,572 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1513 transitions. Word has length 140 [2024-11-08 17:17:46,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:17:46,572 INFO L471 AbstractCegarLoop]: Abstraction has 1167 states and 1513 transitions. [2024-11-08 17:17:46,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 5.166666666666667) internal successors, (155), 31 states have internal predecessors, (155), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 9 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-08 17:17:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1513 transitions. [2024-11-08 17:17:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 17:17:46,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:17:46,574 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:17:46,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-08 17:17:46,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-08 17:17:46,775 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:17:46,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:17:46,775 INFO L85 PathProgramCache]: Analyzing trace with hash 429781023, now seen corresponding path program 1 times [2024-11-08 17:17:46,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:17:46,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171251276] [2024-11-08 17:17:46,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:17:46,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:17:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:17:46,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116091693] [2024-11-08 17:17:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:17:46,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:17:46,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:17:46,802 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:17:46,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-08 17:17:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:46,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 17:17:46,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:17:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:17:49,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:18:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:18:01,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:18:01,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171251276] [2024-11-08 17:18:01,583 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:18:01,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116091693] [2024-11-08 17:18:01,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116091693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:18:01,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:18:01,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-11-08 17:18:01,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337520671] [2024-11-08 17:18:01,584 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:18:01,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 17:18:01,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:18:01,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 17:18:01,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=528, Unknown=1, NotChecked=0, Total=756 [2024-11-08 17:18:01,585 INFO L87 Difference]: Start difference. First operand 1167 states and 1513 transitions. Second operand has 28 states, 27 states have (on average 5.333333333333333) internal successors, (144), 28 states have internal predecessors, (144), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-08 17:18:21,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:18:25,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:18:34,890 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 91 DAG size of output: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:18:40,917 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 83 DAG size of output: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:19:11,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:19:32,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:32,603 INFO L93 Difference]: Finished difference Result 1313 states and 1699 transitions. [2024-11-08 17:19:32,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-08 17:19:32,604 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 5.333333333333333) internal successors, (144), 28 states have internal predecessors, (144), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 142 [2024-11-08 17:19:32,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:32,613 INFO L225 Difference]: With dead ends: 1313 [2024-11-08 17:19:32,616 INFO L226 Difference]: Without dead ends: 1301 [2024-11-08 17:19:32,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 60.6s TimeCoverageRelationStatistics Valid=744, Invalid=1607, Unknown=1, NotChecked=0, Total=2352 [2024-11-08 17:19:32,618 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 501 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 2112 mSolverCounterSat, 143 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 2258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2112 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:19:32,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 944 Invalid, 2258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2112 Invalid, 3 Unknown, 0 Unchecked, 37.2s Time] [2024-11-08 17:19:32,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2024-11-08 17:19:33,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1215. [2024-11-08 17:19:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1066 states have (on average 1.2457786116322702) internal successors, (1328), 1077 states have internal predecessors, (1328), 123 states have call successors, (123), 14 states have call predecessors, (123), 14 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-08 17:19:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1574 transitions. [2024-11-08 17:19:33,129 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1574 transitions. Word has length 142 [2024-11-08 17:19:33,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:33,129 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1574 transitions. [2024-11-08 17:19:33,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 5.333333333333333) internal successors, (144), 28 states have internal predecessors, (144), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-08 17:19:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1574 transitions. [2024-11-08 17:19:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 17:19:33,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:33,131 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:19:33,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-08 17:19:33,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-08 17:19:33,337 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:19:33,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:33,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1387191086, now seen corresponding path program 2 times [2024-11-08 17:19:33,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:19:33,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392158724] [2024-11-08 17:19:33,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:33,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:19:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:19:33,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [161933651] [2024-11-08 17:19:33,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:19:33,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:19:33,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:19:33,370 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:19:33,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-08 17:19:33,461 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:19:33,461 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:19:33,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 17:19:33,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:19:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 17:19:35,184 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:19:36,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:19:36,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392158724] [2024-11-08 17:19:36,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:19:36,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161933651] [2024-11-08 17:19:36,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161933651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:19:36,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:19:36,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-08 17:19:36,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388898403] [2024-11-08 17:19:36,822 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:19:36,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 17:19:36,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:19:36,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 17:19:36,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-08 17:19:36,823 INFO L87 Difference]: Start difference. First operand 1215 states and 1574 transitions. Second operand has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-08 17:19:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:38,717 INFO L93 Difference]: Finished difference Result 1224 states and 1586 transitions. [2024-11-08 17:19:38,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 17:19:38,717 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 143 [2024-11-08 17:19:38,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:38,725 INFO L225 Difference]: With dead ends: 1224 [2024-11-08 17:19:38,725 INFO L226 Difference]: Without dead ends: 1223 [2024-11-08 17:19:38,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=195, Invalid=797, Unknown=0, NotChecked=0, Total=992 [2024-11-08 17:19:38,726 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 180 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:19:38,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 536 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 17:19:38,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-11-08 17:19:39,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1216. [2024-11-08 17:19:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 1067 states have (on average 1.245548266166823) internal successors, (1329), 1078 states have internal predecessors, (1329), 123 states have call successors, (123), 14 states have call predecessors, (123), 14 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-08 17:19:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1575 transitions. [2024-11-08 17:19:39,178 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1575 transitions. Word has length 143 [2024-11-08 17:19:39,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:39,179 INFO L471 AbstractCegarLoop]: Abstraction has 1216 states and 1575 transitions. [2024-11-08 17:19:39,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-08 17:19:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1575 transitions. [2024-11-08 17:19:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 17:19:39,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:39,181 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:19:39,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-08 17:19:39,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-08 17:19:39,382 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:19:39,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:39,382 INFO L85 PathProgramCache]: Analyzing trace with hash -53250571, now seen corresponding path program 2 times [2024-11-08 17:19:39,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:19:39,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540986732] [2024-11-08 17:19:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:39,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:19:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:19:39,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1862809855] [2024-11-08 17:19:39,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:19:39,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:19:39,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:19:39,428 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:19:39,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-08 17:19:39,547 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:19:39,547 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:19:39,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 17:19:39,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:19:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 33 proven. 67 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-08 17:19:42,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:19:44,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:19:44,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540986732] [2024-11-08 17:19:44,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:19:44,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862809855] [2024-11-08 17:19:44,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862809855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:19:44,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:19:44,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2024-11-08 17:19:44,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62299506] [2024-11-08 17:19:44,450 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:19:44,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 17:19:44,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:19:44,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 17:19:44,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2024-11-08 17:19:44,451 INFO L87 Difference]: Start difference. First operand 1216 states and 1575 transitions. Second operand has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 22 states have internal predecessors, (85), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-08 17:19:47,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:47,631 INFO L93 Difference]: Finished difference Result 1231 states and 1589 transitions. [2024-11-08 17:19:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 17:19:47,632 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 22 states have internal predecessors, (85), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 144 [2024-11-08 17:19:47,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:47,637 INFO L225 Difference]: With dead ends: 1231 [2024-11-08 17:19:47,637 INFO L226 Difference]: Without dead ends: 1229 [2024-11-08 17:19:47,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=176, Invalid=946, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 17:19:47,638 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 123 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:19:47,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 760 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1603 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 17:19:47,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-08 17:19:47,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1216. [2024-11-08 17:19:47,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 1067 states have (on average 1.2446110590440487) internal successors, (1328), 1078 states have internal predecessors, (1328), 123 states have call successors, (123), 14 states have call predecessors, (123), 14 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-08 17:19:47,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1574 transitions. [2024-11-08 17:19:47,967 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1574 transitions. Word has length 144 [2024-11-08 17:19:47,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:47,968 INFO L471 AbstractCegarLoop]: Abstraction has 1216 states and 1574 transitions. [2024-11-08 17:19:47,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 22 states have internal predecessors, (85), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-08 17:19:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1574 transitions. [2024-11-08 17:19:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 17:19:47,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:47,969 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:19:47,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-08 17:19:48,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-08 17:19:48,174 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:19:48,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:48,174 INFO L85 PathProgramCache]: Analyzing trace with hash 365813207, now seen corresponding path program 2 times [2024-11-08 17:19:48,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:19:48,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598885942] [2024-11-08 17:19:48,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:48,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:19:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:19:48,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1456592623] [2024-11-08 17:19:48,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:19:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:19:48,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:19:48,219 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:19:48,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbffe54-572e-4ddb-afcd-7d8e8ceae257/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-08 17:19:48,310 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:19:48,310 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:19:48,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 17:19:48,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:19:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 17:19:54,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:20:01,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:01,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598885942] [2024-11-08 17:20:01,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:20:01,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456592623] [2024-11-08 17:20:01,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456592623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:20:01,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:20:01,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-11-08 17:20:01,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191011289] [2024-11-08 17:20:01,092 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:20:01,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 17:20:01,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:01,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 17:20:01,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=476, Unknown=2, NotChecked=0, Total=552 [2024-11-08 17:20:01,093 INFO L87 Difference]: Start difference. First operand 1216 states and 1574 transitions. Second operand has 19 states, 18 states have (on average 4.666666666666667) internal successors, (84), 19 states have internal predecessors, (84), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-08 17:20:06,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:20:14,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 17:20:18,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]