./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1 --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 64bit --witnessprinter.graph.data.programhash 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:42:02,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:42:02,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 10:42:02,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:42:02,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:42:02,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:42:02,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:42:02,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:42:02,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:42:02,962 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:42:02,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:42:02,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:42:02,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:42:02,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:42:02,963 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:42:02,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:42:02,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:42:02,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:42:02,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:42:02,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:42:02,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:42:02,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:42:02,964 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 10:42:02,964 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 10:42:02,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:42:02,964 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:42:02,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:42:02,964 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:42:02,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:42:02,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:42:02,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:42:02,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:42:02,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:42:02,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:42:02,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:42:02,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:42:02,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:42:02,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:42:02,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:42:02,965 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:42:02,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:42:02,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:42:02,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:42:02,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:42:02,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:42:02,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:42:02,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:42:02,966 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a [2024-12-02 10:42:03,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:42:03,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:42:03,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:42:03,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:42:03,290 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:42:03,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2024-12-02 10:42:06,400 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/data/f6985deaa/92420abae4db404eae8ab4d0ff9dc026/FLAG88ff8d7a0 [2024-12-02 10:42:06,601 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:42:06,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2024-12-02 10:42:06,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/data/f6985deaa/92420abae4db404eae8ab4d0ff9dc026/FLAG88ff8d7a0 [2024-12-02 10:42:06,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/data/f6985deaa/92420abae4db404eae8ab4d0ff9dc026 [2024-12-02 10:42:06,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:42:06,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:42:06,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:42:06,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:42:06,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:42:06,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6512a875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06, skipping insertion in model container [2024-12-02 10:42:06,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:42:06,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:42:06,807 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:42:06,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:42:06,837 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:42:06,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06 WrapperNode [2024-12-02 10:42:06,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:42:06,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:42:06,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:42:06,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:42:06,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,868 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-12-02 10:42:06,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:42:06,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:42:06,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:42:06,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:42:06,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,879 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,885 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 10:42:06,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,887 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:42:06,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:42:06,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:42:06,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:42:06,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (1/1) ... [2024-12-02 10:42:06,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:42:06,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:06,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:42:06,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:42:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:42:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:42:07,047 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:42:07,049 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:42:07,134 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-02 10:42:07,134 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:42:07,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:42:07,147 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 10:42:07,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:07 BoogieIcfgContainer [2024-12-02 10:42:07,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:42:07,150 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:42:07,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:42:07,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:42:07,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:42:06" (1/3) ... [2024-12-02 10:42:07,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ec5dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:42:07, skipping insertion in model container [2024-12-02 10:42:07,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:06" (2/3) ... [2024-12-02 10:42:07,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ec5dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:42:07, skipping insertion in model container [2024-12-02 10:42:07,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:07" (3/3) ... [2024-12-02 10:42:07,159 INFO L128 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2024-12-02 10:42:07,178 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:42:07,180 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c that has 1 procedures, 22 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2024-12-02 10:42:07,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:42:07,252 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;@2f342c8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:42:07,252 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-12-02 10:42:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 21 states have internal predecessors, (25), 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) [2024-12-02 10:42:07,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-02 10:42:07,263 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:07,263 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:42:07,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:07,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:07,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1805028935, now seen corresponding path program 1 times [2024-12-02 10:42:07,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:07,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737112178] [2024-12-02 10:42:07,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:07,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:07,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:07,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737112178] [2024-12-02 10:42:07,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737112178] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:07,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:07,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:42:07,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33708986] [2024-12-02 10:42:07,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:07,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:42:07,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:07,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:42:07,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:07,483 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 21 states have internal predecessors, (25), 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) Second operand has 3 states, 2 states have (on average 3.5) 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) [2024-12-02 10:42:07,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:07,537 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-12-02 10:42:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:42:07,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) 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 [2024-12-02 10:42:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:07,547 INFO L225 Difference]: With dead ends: 41 [2024-12-02 10:42:07,547 INFO L226 Difference]: Without dead ends: 29 [2024-12-02 10:42:07,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:07,553 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:07,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 33 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:42:07,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-12-02 10:42:07,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2024-12-02 10:42:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.55) internal successors, (31), 25 states have internal predecessors, (31), 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) [2024-12-02 10:42:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-12-02 10:42:07,585 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 7 [2024-12-02 10:42:07,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:07,586 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-12-02 10:42:07,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) 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) [2024-12-02 10:42:07,586 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-12-02 10:42:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-02 10:42:07,587 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:07,587 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:42:07,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:42:07,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:07,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:07,588 INFO L85 PathProgramCache]: Analyzing trace with hash 121322189, now seen corresponding path program 1 times [2024-12-02 10:42:07,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:07,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978955872] [2024-12-02 10:42:07,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:07,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:07,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:07,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978955872] [2024-12-02 10:42:07,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978955872] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:07,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:07,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:42:07,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472318041] [2024-12-02 10:42:07,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:07,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:42:07,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:07,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:42:07,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:07,637 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:42:07,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:07,676 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2024-12-02 10:42:07,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:42:07,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-12-02 10:42:07,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:07,677 INFO L225 Difference]: With dead ends: 45 [2024-12-02 10:42:07,677 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 10:42:07,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:07,679 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 6 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:07,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 26 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:42:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 10:42:07,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-12-02 10:42:07,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 40 states have internal predecessors, (52), 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) [2024-12-02 10:42:07,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2024-12-02 10:42:07,685 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 8 [2024-12-02 10:42:07,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:07,685 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2024-12-02 10:42:07,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:42:07,685 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-12-02 10:42:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-02 10:42:07,686 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:07,686 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:42:07,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:42:07,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:07,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:07,687 INFO L85 PathProgramCache]: Analyzing trace with hash -533979376, now seen corresponding path program 1 times [2024-12-02 10:42:07,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:07,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340181886] [2024-12-02 10:42:07,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:07,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:07,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:07,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340181886] [2024-12-02 10:42:07,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340181886] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:07,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:07,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:42:07,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962505336] [2024-12-02 10:42:07,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:07,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:42:07,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:07,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:42:07,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:07,733 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:42:07,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:07,751 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2024-12-02 10:42:07,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:42:07,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-12-02 10:42:07,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:07,753 INFO L225 Difference]: With dead ends: 41 [2024-12-02 10:42:07,753 INFO L226 Difference]: Without dead ends: 40 [2024-12-02 10:42:07,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:07,754 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:07,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 15 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:42:07,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-12-02 10:42:07,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-12-02 10:42:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.4) internal successors, (49), 39 states have internal predecessors, (49), 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) [2024-12-02 10:42:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2024-12-02 10:42:07,760 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 9 [2024-12-02 10:42:07,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:07,760 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2024-12-02 10:42:07,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:42:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2024-12-02 10:42:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-02 10:42:07,761 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:07,761 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:42:07,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:42:07,762 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:07,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:07,763 INFO L85 PathProgramCache]: Analyzing trace with hash 626508591, now seen corresponding path program 1 times [2024-12-02 10:42:07,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:07,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635216003] [2024-12-02 10:42:07,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:07,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:07,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:07,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635216003] [2024-12-02 10:42:07,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635216003] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:07,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:07,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:42:07,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443466531] [2024-12-02 10:42:07,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:07,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:42:07,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:07,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:42:07,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:07,809 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-12-02 10:42:07,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:07,834 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2024-12-02 10:42:07,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:42:07,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-12-02 10:42:07,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:07,835 INFO L225 Difference]: With dead ends: 46 [2024-12-02 10:42:07,836 INFO L226 Difference]: Without dead ends: 45 [2024-12-02 10:42:07,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:07,837 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:07,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:42:07,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-12-02 10:42:07,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-12-02 10:42:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.35) internal successors, (54), 44 states have internal predecessors, (54), 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) [2024-12-02 10:42:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2024-12-02 10:42:07,844 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 10 [2024-12-02 10:42:07,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:07,844 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2024-12-02 10:42:07,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-12-02 10:42:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-12-02 10:42:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 10:42:07,845 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:07,845 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:42:07,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:42:07,845 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:07,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:07,846 INFO L85 PathProgramCache]: Analyzing trace with hash -2035355493, now seen corresponding path program 1 times [2024-12-02 10:42:07,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:07,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341640791] [2024-12-02 10:42:07,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:07,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:07,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:07,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:07,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341640791] [2024-12-02 10:42:07,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341640791] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:07,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655622138] [2024-12-02 10:42:07,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:07,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:07,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:07,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:07,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:42:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:07,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:42:07,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:08,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:08,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655622138] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:08,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:08,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-12-02 10:42:08,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086230793] [2024-12-02 10:42:08,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:08,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:42:08,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:08,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:42:08,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:42:08,084 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-12-02 10:42:08,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:08,151 INFO L93 Difference]: Finished difference Result 90 states and 119 transitions. [2024-12-02 10:42:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:42:08,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 14 [2024-12-02 10:42:08,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:08,154 INFO L225 Difference]: With dead ends: 90 [2024-12-02 10:42:08,155 INFO L226 Difference]: Without dead ends: 88 [2024-12-02 10:42:08,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:42:08,156 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 19 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:08,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 34 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:42:08,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-12-02 10:42:08,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 57. [2024-12-02 10:42:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 56 states have internal predecessors, (69), 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) [2024-12-02 10:42:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2024-12-02 10:42:08,166 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 14 [2024-12-02 10:42:08,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:08,166 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2024-12-02 10:42:08,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-12-02 10:42:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2024-12-02 10:42:08,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 10:42:08,167 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:08,167 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:42:08,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:42:08,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:08,368 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:08,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:08,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1399532289, now seen corresponding path program 1 times [2024-12-02 10:42:08,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:08,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839485641] [2024-12-02 10:42:08,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:08,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:08,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:08,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839485641] [2024-12-02 10:42:08,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839485641] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:08,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607322620] [2024-12-02 10:42:08,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:08,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:08,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:08,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:08,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:42:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:08,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:42:08,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:08,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:08,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607322620] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:08,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:08,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-12-02 10:42:08,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992421979] [2024-12-02 10:42:08,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:08,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:42:08,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:08,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:42:08,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:42:08,519 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-12-02 10:42:08,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:08,573 INFO L93 Difference]: Finished difference Result 140 states and 183 transitions. [2024-12-02 10:42:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:42:08,574 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-12-02 10:42:08,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:08,574 INFO L225 Difference]: With dead ends: 140 [2024-12-02 10:42:08,574 INFO L226 Difference]: Without dead ends: 138 [2024-12-02 10:42:08,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:42:08,575 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:08,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 46 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:42:08,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-12-02 10:42:08,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2024-12-02 10:42:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 109 states have (on average 1.2935779816513762) internal successors, (141), 112 states have internal predecessors, (141), 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) [2024-12-02 10:42:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 141 transitions. [2024-12-02 10:42:08,584 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 141 transitions. Word has length 15 [2024-12-02 10:42:08,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:08,584 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 141 transitions. [2024-12-02 10:42:08,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-12-02 10:42:08,585 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 141 transitions. [2024-12-02 10:42:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-02 10:42:08,585 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:08,585 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-12-02 10:42:08,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:42:08,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 10:42:08,786 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:08,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:08,787 INFO L85 PathProgramCache]: Analyzing trace with hash -625764127, now seen corresponding path program 1 times [2024-12-02 10:42:08,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:08,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893877869] [2024-12-02 10:42:08,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:08,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:08,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:08,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893877869] [2024-12-02 10:42:08,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893877869] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:08,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428132642] [2024-12-02 10:42:08,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:08,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:08,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:08,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:08,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:42:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:08,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:42:08,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:08,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:08,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428132642] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:08,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:08,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-12-02 10:42:08,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817595238] [2024-12-02 10:42:08,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:08,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:42:08,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:08,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:42:08,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:42:08,949 INFO L87 Difference]: Start difference. First operand 113 states and 141 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-12-02 10:42:08,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:08,996 INFO L93 Difference]: Finished difference Result 239 states and 299 transitions. [2024-12-02 10:42:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:42:08,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 17 [2024-12-02 10:42:08,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:08,998 INFO L225 Difference]: With dead ends: 239 [2024-12-02 10:42:08,998 INFO L226 Difference]: Without dead ends: 238 [2024-12-02 10:42:08,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:42:09,000 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 24 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:09,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 49 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:42:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-12-02 10:42:09,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2024-12-02 10:42:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 232 states have (on average 1.2025862068965518) internal successors, (279), 235 states have internal predecessors, (279), 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) [2024-12-02 10:42:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 279 transitions. [2024-12-02 10:42:09,023 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 279 transitions. Word has length 17 [2024-12-02 10:42:09,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:09,023 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 279 transitions. [2024-12-02 10:42:09,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-12-02 10:42:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 279 transitions. [2024-12-02 10:42:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 10:42:09,025 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:09,025 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 10:42:09,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:42:09,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 10:42:09,225 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:09,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:09,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1985542009, now seen corresponding path program 1 times [2024-12-02 10:42:09,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:09,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714710865] [2024-12-02 10:42:09,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:09,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:09,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:09,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714710865] [2024-12-02 10:42:09,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714710865] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:09,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496802699] [2024-12-02 10:42:09,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:09,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:09,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:09,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:09,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:42:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:09,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:42:09,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:09,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:09,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496802699] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:09,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:09,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 10:42:09,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334055985] [2024-12-02 10:42:09,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:09,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:42:09,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:09,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:42:09,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:42:09,452 INFO L87 Difference]: Start difference. First operand 236 states and 279 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 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) [2024-12-02 10:42:09,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:09,554 INFO L93 Difference]: Finished difference Result 461 states and 575 transitions. [2024-12-02 10:42:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:42:09,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 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 21 [2024-12-02 10:42:09,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:09,557 INFO L225 Difference]: With dead ends: 461 [2024-12-02 10:42:09,557 INFO L226 Difference]: Without dead ends: 460 [2024-12-02 10:42:09,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:42:09,558 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 48 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:09,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 55 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:42:09,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-12-02 10:42:09,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 387. [2024-12-02 10:42:09,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 383 states have (on average 1.2323759791122715) internal successors, (472), 386 states have internal predecessors, (472), 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) [2024-12-02 10:42:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 472 transitions. [2024-12-02 10:42:09,589 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 472 transitions. Word has length 21 [2024-12-02 10:42:09,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:09,589 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 472 transitions. [2024-12-02 10:42:09,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 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) [2024-12-02 10:42:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 472 transitions. [2024-12-02 10:42:09,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-02 10:42:09,591 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:09,591 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-12-02 10:42:09,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 10:42:09,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-02 10:42:09,792 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:09,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:09,793 INFO L85 PathProgramCache]: Analyzing trace with hash 891073101, now seen corresponding path program 2 times [2024-12-02 10:42:09,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:09,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64231888] [2024-12-02 10:42:09,793 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:42:09,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:09,804 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 10:42:09,804 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:09,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:09,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64231888] [2024-12-02 10:42:09,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64231888] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:09,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8390321] [2024-12-02 10:42:09,883 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:42:09,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:09,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:09,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:09,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 10:42:09,919 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 10:42:09,920 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:09,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:42:09,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:09,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:10,090 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:10,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8390321] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:10,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:10,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-12-02 10:42:10,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220151080] [2024-12-02 10:42:10,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:10,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 10:42:10,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:10,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 10:42:10,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:42:10,093 INFO L87 Difference]: Start difference. First operand 387 states and 472 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 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) [2024-12-02 10:42:10,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:10,232 INFO L93 Difference]: Finished difference Result 1002 states and 1319 transitions. [2024-12-02 10:42:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 10:42:10,232 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 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 36 [2024-12-02 10:42:10,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:10,236 INFO L225 Difference]: With dead ends: 1002 [2024-12-02 10:42:10,236 INFO L226 Difference]: Without dead ends: 1000 [2024-12-02 10:42:10,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:42:10,237 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 51 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:10,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 93 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:42:10,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2024-12-02 10:42:10,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 660. [2024-12-02 10:42:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 656 states have (on average 1.2469512195121952) internal successors, (818), 659 states have internal predecessors, (818), 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) [2024-12-02 10:42:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 818 transitions. [2024-12-02 10:42:10,284 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 818 transitions. Word has length 36 [2024-12-02 10:42:10,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:10,284 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 818 transitions. [2024-12-02 10:42:10,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 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) [2024-12-02 10:42:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 818 transitions. [2024-12-02 10:42:10,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-02 10:42:10,286 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:10,286 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2024-12-02 10:42:10,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 10:42:10,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:10,487 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:10,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:10,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1622760111, now seen corresponding path program 2 times [2024-12-02 10:42:10,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:10,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468271359] [2024-12-02 10:42:10,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:42:10,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:10,495 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 10:42:10,495 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 10:42:10,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:10,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468271359] [2024-12-02 10:42:10,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468271359] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:10,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098866405] [2024-12-02 10:42:10,513 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:42:10,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:10,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:10,515 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:10,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 10:42:10,539 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 10:42:10,539 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:10,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:42:10,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 10:42:10,604 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 10:42:10,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098866405] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:10,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:10,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-02 10:42:10,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150411558] [2024-12-02 10:42:10,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:10,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:42:10,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:10,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:42:10,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:42:10,656 INFO L87 Difference]: Start difference. First operand 660 states and 818 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:42:10,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:10,691 INFO L93 Difference]: Finished difference Result 660 states and 818 transitions. [2024-12-02 10:42:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:42:10,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-12-02 10:42:10,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:10,694 INFO L225 Difference]: With dead ends: 660 [2024-12-02 10:42:10,694 INFO L226 Difference]: Without dead ends: 659 [2024-12-02 10:42:10,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:42:10,695 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:10,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 14 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:42:10,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-12-02 10:42:10,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 520. [2024-12-02 10:42:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 517 states have (on average 1.1644100580270793) internal successors, (602), 519 states have internal predecessors, (602), 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) [2024-12-02 10:42:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 602 transitions. [2024-12-02 10:42:10,725 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 602 transitions. Word has length 38 [2024-12-02 10:42:10,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:10,725 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 602 transitions. [2024-12-02 10:42:10,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:42:10,725 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 602 transitions. [2024-12-02 10:42:10,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 10:42:10,726 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:10,726 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1] [2024-12-02 10:42:10,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 10:42:10,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 10:42:10,927 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:10,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:10,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1067981703, now seen corresponding path program 2 times [2024-12-02 10:42:10,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:10,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501529039] [2024-12-02 10:42:10,928 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:42:10,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:10,937 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 10:42:10,937 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:11,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:11,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501529039] [2024-12-02 10:42:11,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501529039] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:11,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159629816] [2024-12-02 10:42:11,055 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:42:11,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:11,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:11,057 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:11,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 10:42:11,095 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 10:42:11,095 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:11,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 10:42:11,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:11,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:11,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159629816] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:11,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:11,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-12-02 10:42:11,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048703356] [2024-12-02 10:42:11,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:11,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 10:42:11,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:11,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 10:42:11,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-12-02 10:42:11,320 INFO L87 Difference]: Start difference. First operand 520 states and 602 transitions. Second operand has 16 states, 15 states have (on average 6.4) internal successors, (96), 16 states have internal predecessors, (96), 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) [2024-12-02 10:42:11,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:11,476 INFO L93 Difference]: Finished difference Result 1862 states and 2228 transitions. [2024-12-02 10:42:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 10:42:11,477 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.4) internal successors, (96), 16 states have internal predecessors, (96), 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 49 [2024-12-02 10:42:11,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:11,483 INFO L225 Difference]: With dead ends: 1862 [2024-12-02 10:42:11,483 INFO L226 Difference]: Without dead ends: 1861 [2024-12-02 10:42:11,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-12-02 10:42:11,485 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 78 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:11,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 95 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:42:11,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2024-12-02 10:42:11,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1030. [2024-12-02 10:42:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1027 states have (on average 1.156767283349562) internal successors, (1188), 1029 states have internal predecessors, (1188), 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) [2024-12-02 10:42:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1188 transitions. [2024-12-02 10:42:11,549 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1188 transitions. Word has length 49 [2024-12-02 10:42:11,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:11,549 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1188 transitions. [2024-12-02 10:42:11,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.4) internal successors, (96), 16 states have internal predecessors, (96), 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) [2024-12-02 10:42:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1188 transitions. [2024-12-02 10:42:11,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 10:42:11,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:11,551 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-12-02 10:42:11,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-12-02 10:42:11,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:11,751 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:11,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:11,752 INFO L85 PathProgramCache]: Analyzing trace with hash -870109811, now seen corresponding path program 3 times [2024-12-02 10:42:11,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:11,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334516926] [2024-12-02 10:42:11,752 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 10:42:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:11,775 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-12-02 10:42:11,776 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:11,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:11,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334516926] [2024-12-02 10:42:11,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334516926] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:11,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250549847] [2024-12-02 10:42:11,974 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 10:42:11,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:11,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:11,976 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:11,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 10:42:12,032 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-12-02 10:42:12,032 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:12,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 10:42:12,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:12,135 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:12,135 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:12,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250549847] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:12,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:12,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-12-02 10:42:12,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044534011] [2024-12-02 10:42:12,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:12,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 10:42:12,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:12,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 10:42:12,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-12-02 10:42:12,398 INFO L87 Difference]: Start difference. First operand 1030 states and 1188 transitions. Second operand has 24 states, 23 states have (on average 6.695652173913044) internal successors, (154), 24 states have internal predecessors, (154), 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) [2024-12-02 10:42:12,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:12,691 INFO L93 Difference]: Finished difference Result 4774 states and 5828 transitions. [2024-12-02 10:42:12,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 10:42:12,691 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.695652173913044) internal successors, (154), 24 states have internal predecessors, (154), 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 78 [2024-12-02 10:42:12,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:12,706 INFO L225 Difference]: With dead ends: 4774 [2024-12-02 10:42:12,707 INFO L226 Difference]: Without dead ends: 4772 [2024-12-02 10:42:12,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-12-02 10:42:12,710 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 128 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:12,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 150 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:42:12,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4772 states. [2024-12-02 10:42:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4772 to 2200. [2024-12-02 10:42:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2200 states, 2197 states have (on average 1.140646335912608) internal successors, (2506), 2199 states have internal predecessors, (2506), 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) [2024-12-02 10:42:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 2506 transitions. [2024-12-02 10:42:12,845 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 2506 transitions. Word has length 78 [2024-12-02 10:42:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:12,845 INFO L471 AbstractCegarLoop]: Abstraction has 2200 states and 2506 transitions. [2024-12-02 10:42:12,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.695652173913044) internal successors, (154), 24 states have internal predecessors, (154), 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) [2024-12-02 10:42:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2506 transitions. [2024-12-02 10:42:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 10:42:12,848 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:12,848 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1] [2024-12-02 10:42:12,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 10:42:13,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 10:42:13,048 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:13,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:13,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2083864185, now seen corresponding path program 3 times [2024-12-02 10:42:13,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:13,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666657133] [2024-12-02 10:42:13,049 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 10:42:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:13,067 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-12-02 10:42:13,067 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:13,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:13,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666657133] [2024-12-02 10:42:13,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666657133] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:13,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660626501] [2024-12-02 10:42:13,414 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 10:42:13,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:13,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:13,416 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:13,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 10:42:13,489 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-12-02 10:42:13,489 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:13,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 10:42:13,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:13,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:14,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660626501] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:14,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:14,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-12-02 10:42:14,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999843813] [2024-12-02 10:42:14,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:14,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-02 10:42:14,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:14,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-02 10:42:14,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-12-02 10:42:14,080 INFO L87 Difference]: Start difference. First operand 2200 states and 2506 transitions. Second operand has 32 states, 31 states have (on average 6.709677419354839) internal successors, (208), 32 states have internal predecessors, (208), 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) [2024-12-02 10:42:14,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:14,484 INFO L93 Difference]: Finished difference Result 11094 states and 12968 transitions. [2024-12-02 10:42:14,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 10:42:14,485 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 6.709677419354839) internal successors, (208), 32 states have internal predecessors, (208), 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 105 [2024-12-02 10:42:14,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:14,500 INFO L225 Difference]: With dead ends: 11094 [2024-12-02 10:42:14,500 INFO L226 Difference]: Without dead ends: 11093 [2024-12-02 10:42:14,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-12-02 10:42:14,503 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 232 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:14,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 192 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:42:14,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11093 states. [2024-12-02 10:42:14,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11093 to 4230. [2024-12-02 10:42:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4230 states, 4227 states have (on average 1.1355571327182399) internal successors, (4800), 4229 states have internal predecessors, (4800), 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) [2024-12-02 10:42:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 4230 states and 4800 transitions. [2024-12-02 10:42:14,684 INFO L78 Accepts]: Start accepts. Automaton has 4230 states and 4800 transitions. Word has length 105 [2024-12-02 10:42:14,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:14,685 INFO L471 AbstractCegarLoop]: Abstraction has 4230 states and 4800 transitions. [2024-12-02 10:42:14,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 6.709677419354839) internal successors, (208), 32 states have internal predecessors, (208), 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) [2024-12-02 10:42:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4230 states and 4800 transitions. [2024-12-02 10:42:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 10:42:14,689 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:14,689 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-12-02 10:42:14,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 10:42:14,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 10:42:14,890 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:14,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:14,890 INFO L85 PathProgramCache]: Analyzing trace with hash 939127821, now seen corresponding path program 4 times [2024-12-02 10:42:14,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:14,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762233174] [2024-12-02 10:42:14,890 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 10:42:14,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:14,909 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 10:42:14,909 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:15,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:15,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762233174] [2024-12-02 10:42:15,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762233174] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:15,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819311482] [2024-12-02 10:42:15,540 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 10:42:15,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:15,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:15,542 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:15,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 10:42:15,611 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 10:42:15,612 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:15,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 10:42:15,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:15,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:16,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819311482] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:16,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:16,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-12-02 10:42:16,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42800033] [2024-12-02 10:42:16,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:16,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-12-02 10:42:16,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:16,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-12-02 10:42:16,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 10:42:16,518 INFO L87 Difference]: Start difference. First operand 4230 states and 4800 transitions. Second operand has 48 states, 47 states have (on average 6.851063829787234) internal successors, (322), 48 states have internal predecessors, (322), 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) [2024-12-02 10:42:17,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:17,348 INFO L93 Difference]: Finished difference Result 29952 states and 35418 transitions. [2024-12-02 10:42:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-12-02 10:42:17,348 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 6.851063829787234) internal successors, (322), 48 states have internal predecessors, (322), 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 162 [2024-12-02 10:42:17,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:17,424 INFO L225 Difference]: With dead ends: 29952 [2024-12-02 10:42:17,424 INFO L226 Difference]: Without dead ends: 29950 [2024-12-02 10:42:17,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 10:42:17,436 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 336 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:17,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 292 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:42:17,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29950 states. [2024-12-02 10:42:18,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29950 to 9016. [2024-12-02 10:42:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9016 states, 9013 states have (on average 1.1265949184511261) internal successors, (10154), 9015 states have internal predecessors, (10154), 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) [2024-12-02 10:42:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9016 states to 9016 states and 10154 transitions. [2024-12-02 10:42:18,057 INFO L78 Accepts]: Start accepts. Automaton has 9016 states and 10154 transitions. Word has length 162 [2024-12-02 10:42:18,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:18,058 INFO L471 AbstractCegarLoop]: Abstraction has 9016 states and 10154 transitions. [2024-12-02 10:42:18,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 6.851063829787234) internal successors, (322), 48 states have internal predecessors, (322), 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) [2024-12-02 10:42:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 9016 states and 10154 transitions. [2024-12-02 10:42:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 10:42:18,062 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:18,062 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 30, 1, 1, 1, 1] [2024-12-02 10:42:18,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 10:42:18,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 10:42:18,263 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:18,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:18,263 INFO L85 PathProgramCache]: Analyzing trace with hash 563219847, now seen corresponding path program 4 times [2024-12-02 10:42:18,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:18,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739680472] [2024-12-02 10:42:18,263 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 10:42:18,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:18,282 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 10:42:18,282 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 0 proven. 3165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:19,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:19,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739680472] [2024-12-02 10:42:19,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739680472] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:19,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063796277] [2024-12-02 10:42:19,050 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 10:42:19,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:19,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:19,051 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:19,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 10:42:19,138 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 10:42:19,138 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:19,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 10:42:19,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 0 proven. 3165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:19,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 0 proven. 3165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:20,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063796277] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:20,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:20,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-12-02 10:42:20,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484700319] [2024-12-02 10:42:20,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:20,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-12-02 10:42:20,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:20,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-12-02 10:42:20,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-12-02 10:42:20,575 INFO L87 Difference]: Start difference. First operand 9016 states and 10154 transitions. Second operand has 64 states, 63 states have (on average 6.857142857142857) internal successors, (432), 64 states have internal predecessors, (432), 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) [2024-12-02 10:42:22,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:22,790 INFO L93 Difference]: Finished difference Result 73202 states and 83888 transitions. [2024-12-02 10:42:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-12-02 10:42:22,791 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 6.857142857142857) internal successors, (432), 64 states have internal predecessors, (432), 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 217 [2024-12-02 10:42:22,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:22,864 INFO L225 Difference]: With dead ends: 73202 [2024-12-02 10:42:22,865 INFO L226 Difference]: Without dead ends: 73201 [2024-12-02 10:42:22,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-12-02 10:42:22,881 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 510 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:22,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 387 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:42:22,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73201 states. [2024-12-02 10:42:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73201 to 17110. [2024-12-02 10:42:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17110 states, 17107 states have (on average 1.123750511486526) internal successors, (19224), 17109 states have internal predecessors, (19224), 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) [2024-12-02 10:42:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17110 states to 17110 states and 19224 transitions. [2024-12-02 10:42:24,462 INFO L78 Accepts]: Start accepts. Automaton has 17110 states and 19224 transitions. Word has length 217 [2024-12-02 10:42:24,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:24,463 INFO L471 AbstractCegarLoop]: Abstraction has 17110 states and 19224 transitions. [2024-12-02 10:42:24,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 6.857142857142857) internal successors, (432), 64 states have internal predecessors, (432), 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) [2024-12-02 10:42:24,464 INFO L276 IsEmpty]: Start isEmpty. Operand 17110 states and 19224 transitions. [2024-12-02 10:42:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-12-02 10:42:24,489 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:24,489 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 1, 1, 1, 1] [2024-12-02 10:42:24,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 10:42:24,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 10:42:24,690 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:24,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:24,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1140769037, now seen corresponding path program 5 times [2024-12-02 10:42:24,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:24,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688981192] [2024-12-02 10:42:24,691 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 10:42:24,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:24,885 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-12-02 10:42:24,885 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 0 proven. 7475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:27,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:27,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688981192] [2024-12-02 10:42:27,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688981192] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:27,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543875087] [2024-12-02 10:42:27,405 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 10:42:27,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:27,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:27,407 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:27,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 10:42:27,584 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-12-02 10:42:27,584 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:27,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-02 10:42:27,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 0 proven. 7475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:27,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 0 proven. 7475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:31,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543875087] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:31,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:31,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-12-02 10:42:31,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454570] [2024-12-02 10:42:31,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:31,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-12-02 10:42:31,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:31,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-12-02 10:42:31,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-12-02 10:42:31,044 INFO L87 Difference]: Start difference. First operand 17110 states and 19224 transitions. Second operand has 96 states, 95 states have (on average 6.926315789473684) internal successors, (658), 96 states have internal predecessors, (658), 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) [2024-12-02 10:42:37,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:37,904 INFO L93 Difference]: Finished difference Result 205972 states and 237462 transitions. [2024-12-02 10:42:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-12-02 10:42:37,905 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 6.926315789473684) internal successors, (658), 96 states have internal predecessors, (658), 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 330 [2024-12-02 10:42:37,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:38,111 INFO L225 Difference]: With dead ends: 205972 [2024-12-02 10:42:38,111 INFO L226 Difference]: Without dead ends: 205970 [2024-12-02 10:42:38,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 706 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-12-02 10:42:38,139 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 730 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:38,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 579 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 10:42:38,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205970 states. [2024-12-02 10:42:42,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205970 to 36472. [2024-12-02 10:42:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36472 states, 36469 states have (on average 1.1190326030327127) internal successors, (40810), 36471 states have internal predecessors, (40810), 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) [2024-12-02 10:42:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36472 states to 36472 states and 40810 transitions. [2024-12-02 10:42:42,189 INFO L78 Accepts]: Start accepts. Automaton has 36472 states and 40810 transitions. Word has length 330 [2024-12-02 10:42:42,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:42,190 INFO L471 AbstractCegarLoop]: Abstraction has 36472 states and 40810 transitions. [2024-12-02 10:42:42,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 6.926315789473684) internal successors, (658), 96 states have internal predecessors, (658), 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) [2024-12-02 10:42:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 36472 states and 40810 transitions. [2024-12-02 10:42:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-12-02 10:42:42,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:42,226 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 62, 62, 62, 62, 1, 1, 1, 1] [2024-12-02 10:42:42,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 10:42:42,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 10:42:42,427 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:42:42,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:42,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1529390471, now seen corresponding path program 5 times [2024-12-02 10:42:42,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:42,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558580284] [2024-12-02 10:42:42,428 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 10:42:42,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:42,694 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-12-02 10:42:42,695 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 13485 backedges. 0 proven. 13485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:46,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:46,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558580284] [2024-12-02 10:42:46,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558580284] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:46,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326706305] [2024-12-02 10:42:46,645 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 10:42:46,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:46,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:46,646 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:46,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 10:42:46,903 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-12-02 10:42:46,904 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:42:46,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-02 10:42:46,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13485 backedges. 0 proven. 13485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:47,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:42:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 13485 backedges. 0 proven. 13485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:42:52,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326706305] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:42:52,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:42:52,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 127 [2024-12-02 10:42:52,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013481332] [2024-12-02 10:42:52,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:42:52,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-12-02 10:42:52,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:52,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-12-02 10:42:52,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2024-12-02 10:42:52,548 INFO L87 Difference]: Start difference. First operand 36472 states and 40810 transitions. Second operand has 128 states, 127 states have (on average 6.929133858267717) internal successors, (880), 128 states have internal predecessors, (880), 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) [2024-12-02 10:43:08,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:08,579 INFO L93 Difference]: Finished difference Result 523194 states and 591488 transitions. [2024-12-02 10:43:08,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-12-02 10:43:08,580 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 6.929133858267717) internal successors, (880), 128 states have internal predecessors, (880), 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 441 [2024-12-02 10:43:08,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:09,189 INFO L225 Difference]: With dead ends: 523194 [2024-12-02 10:43:09,189 INFO L226 Difference]: Without dead ends: 523193 [2024-12-02 10:43:09,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 818 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2024-12-02 10:43:09,239 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 952 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:09,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 773 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 10:43:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523193 states. [2024-12-02 10:43:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523193 to 68790. [2024-12-02 10:43:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68790 states, 68787 states have (on average 1.1175367438614854) internal successors, (76872), 68789 states have internal predecessors, (76872), 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) [2024-12-02 10:43:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68790 states to 68790 states and 76872 transitions. [2024-12-02 10:43:22,624 INFO L78 Accepts]: Start accepts. Automaton has 68790 states and 76872 transitions. Word has length 441 [2024-12-02 10:43:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:22,625 INFO L471 AbstractCegarLoop]: Abstraction has 68790 states and 76872 transitions. [2024-12-02 10:43:22,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 6.929133858267717) internal successors, (880), 128 states have internal predecessors, (880), 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) [2024-12-02 10:43:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 68790 states and 76872 transitions. [2024-12-02 10:43:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-12-02 10:43:22,645 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:22,646 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 1, 1, 1, 1] [2024-12-02 10:43:22,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-02 10:43:22,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 10:43:22,846 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:43:22,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:22,847 INFO L85 PathProgramCache]: Analyzing trace with hash 249912077, now seen corresponding path program 6 times [2024-12-02 10:43:22,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:22,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719128775] [2024-12-02 10:43:22,847 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 10:43:22,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:22,953 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-12-02 10:43:22,953 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:43:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 31067 backedges. 0 proven. 31067 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:43:28,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:28,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719128775] [2024-12-02 10:43:28,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719128775] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:43:28,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360503405] [2024-12-02 10:43:28,601 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 10:43:28,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:43:28,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:43:28,603 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:43:28,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 10:43:28,928 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-12-02 10:43:28,929 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:43:28,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-12-02 10:43:28,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:43:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 31067 backedges. 0 proven. 31067 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:43:29,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:43:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 31067 backedges. 0 proven. 31067 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:43:38,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360503405] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:43:38,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:43:38,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-12-02 10:43:38,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484548291] [2024-12-02 10:43:38,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:43:38,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-12-02 10:43:38,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:38,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-12-02 10:43:38,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-12-02 10:43:38,726 INFO L87 Difference]: Start difference. First operand 68790 states and 76872 transitions. Second operand has 192 states, 191 states have (on average 6.963350785340314) internal successors, (1330), 192 states have internal predecessors, (1330), 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) [2024-12-02 10:44:46,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:44:46,508 INFO L93 Difference]: Finished difference Result 1512252 states and 1714766 transitions. [2024-12-02 10:44:46,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-12-02 10:44:46,508 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 6.963350785340314) internal successors, (1330), 192 states have internal predecessors, (1330), 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 666 [2024-12-02 10:44:46,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:44:49,097 INFO L225 Difference]: With dead ends: 1512252 [2024-12-02 10:44:49,097 INFO L226 Difference]: Without dead ends: 1512250 [2024-12-02 10:44:49,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1426 GetRequests, 1236 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-12-02 10:44:49,361 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 1658 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 927 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 927 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:44:49,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1658 Valid, 1158 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [927 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 10:44:50,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512250 states. [2024-12-02 10:45:31,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512250 to 146680. [2024-12-02 10:45:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146680 states, 146677 states have (on average 1.1151168894918768) internal successors, (163562), 146679 states have internal predecessors, (163562), 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) [2024-12-02 10:45:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146680 states to 146680 states and 163562 transitions. [2024-12-02 10:45:32,209 INFO L78 Accepts]: Start accepts. Automaton has 146680 states and 163562 transitions. Word has length 666 [2024-12-02 10:45:32,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:45:32,210 INFO L471 AbstractCegarLoop]: Abstraction has 146680 states and 163562 transitions. [2024-12-02 10:45:32,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 6.963350785340314) internal successors, (1330), 192 states have internal predecessors, (1330), 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) [2024-12-02 10:45:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 146680 states and 163562 transitions. [2024-12-02 10:45:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2024-12-02 10:45:32,251 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:45:32,251 INFO L218 NwaCegarLoop]: trace histogram [127, 127, 127, 126, 126, 126, 126, 1, 1, 1, 1] [2024-12-02 10:45:32,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-12-02 10:45:32,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 10:45:32,452 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:45:32,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:45:32,453 INFO L85 PathProgramCache]: Analyzing trace with hash 108385671, now seen corresponding path program 6 times [2024-12-02 10:45:32,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:45:32,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824453345] [2024-12-02 10:45:32,453 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 10:45:32,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:45:32,689 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) [2024-12-02 10:45:32,689 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:45:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 55629 backedges. 0 proven. 55629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:45:46,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:45:46,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824453345] [2024-12-02 10:45:46,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824453345] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:45:46,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497374834] [2024-12-02 10:45:46,029 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 10:45:46,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:45:46,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:45:46,031 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:45:46,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-02 10:45:46,505 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) [2024-12-02 10:45:46,505 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:45:46,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 1654 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-12-02 10:45:46,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:45:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 55629 backedges. 0 proven. 55629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:45:47,344 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:46:03,909 INFO L134 CoverageAnalysis]: Checked inductivity of 55629 backedges. 0 proven. 55629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:46:03,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497374834] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:46:03,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:46:03,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 255 [2024-12-02 10:46:03,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511637885] [2024-12-02 10:46:03,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:46:03,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 256 states [2024-12-02 10:46:03,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:46:03,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 256 interpolants. [2024-12-02 10:46:03,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32640, Invalid=32640, Unknown=0, NotChecked=0, Total=65280 [2024-12-02 10:46:03,926 INFO L87 Difference]: Start difference. First operand 146680 states and 163562 transitions. Second operand has 256 states, 255 states have (on average 6.964705882352941) internal successors, (1776), 256 states have internal predecessors, (1776), 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) [2024-12-02 10:48:47,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:48:47,543 INFO L93 Difference]: Finished difference Result 3935882 states and 4413728 transitions. [2024-12-02 10:48:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2024-12-02 10:48:47,544 INFO L78 Accepts]: Start accepts. Automaton has has 256 states, 255 states have (on average 6.964705882352941) internal successors, (1776), 256 states have internal predecessors, (1776), 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 889 [2024-12-02 10:48:47,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:48:53,237 INFO L225 Difference]: With dead ends: 3935882 [2024-12-02 10:48:53,238 INFO L226 Difference]: Without dead ends: 3935881 [2024-12-02 10:48:54,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1904 GetRequests, 1650 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.3s TimeCoverageRelationStatistics Valid=32640, Invalid=32640, Unknown=0, NotChecked=0, Total=65280 [2024-12-02 10:48:54,723 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 2628 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 1317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 2368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1317 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:48:54,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2628 Valid, 1542 Invalid, 2368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1317 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 10:48:56,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3935881 states. [2024-12-02 10:51:12,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3935881 to 275830. [2024-12-02 10:51:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275830 states, 275827 states have (on average 1.114350661827885) internal successors, (307368), 275829 states have internal predecessors, (307368), 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) [2024-12-02 10:51:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275830 states to 275830 states and 307368 transitions. [2024-12-02 10:51:13,305 INFO L78 Accepts]: Start accepts. Automaton has 275830 states and 307368 transitions. Word has length 889 [2024-12-02 10:51:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:51:13,306 INFO L471 AbstractCegarLoop]: Abstraction has 275830 states and 307368 transitions. [2024-12-02 10:51:13,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 256 states, 255 states have (on average 6.964705882352941) internal successors, (1776), 256 states have internal predecessors, (1776), 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) [2024-12-02 10:51:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 275830 states and 307368 transitions. [2024-12-02 10:51:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2024-12-02 10:51:13,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:51:13,392 INFO L218 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 190, 190, 1, 1, 1, 1] [2024-12-02 10:51:13,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-02 10:51:13,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:51:13,592 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:51:13,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:51:13,593 INFO L85 PathProgramCache]: Analyzing trace with hash -64581875, now seen corresponding path program 7 times [2024-12-02 10:51:13,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:51:13,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252948043] [2024-12-02 10:51:13,593 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 10:51:13,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:51:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:51:43,069 INFO L134 CoverageAnalysis]: Checked inductivity of 126635 backedges. 0 proven. 126635 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:51:43,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:51:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252948043] [2024-12-02 10:51:43,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252948043] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:51:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962128755] [2024-12-02 10:51:43,070 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 10:51:43,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:51:43,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:51:43,071 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:51:43,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e801d784-7986-4cff-8ecf-11700796e7c0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-02 10:51:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:51:43,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 2296 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-12-02 10:51:43,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:51:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 126635 backedges. 0 proven. 126635 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:51:44,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:52:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 126635 backedges. 0 proven. 126635 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:52:19,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962128755] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:52:19,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:52:19,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2024-12-02 10:52:19,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93270189] [2024-12-02 10:52:19,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:52:19,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2024-12-02 10:52:19,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:19,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2024-12-02 10:52:19,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2024-12-02 10:52:19,688 INFO L87 Difference]: Start difference. First operand 275830 states and 307368 transitions. Second operand has 384 states, 383 states have (on average 6.981723237597911) internal successors, (2674), 384 states have internal predecessors, (2674), 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)