./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:52:01,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:52:01,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:52:01,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:52:01,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:52:01,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:52:01,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:52:01,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:52:01,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:52:01,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:52:01,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:52:01,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:52:01,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:52:01,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:52:01,745 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:52:01,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:52:01,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:52:01,746 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:52:01,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:52:01,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:52:01,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:52:01,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:52:01,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:52:01,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:52:01,747 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:52:01,747 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:52:01,748 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:52:01,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:52:01,748 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:52:01,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:52:01,748 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:52:01,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:52:01,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:52:01,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:52:01,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:52:01,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:52:01,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:52:01,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:52:01,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:52:01,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:52:01,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:52:01,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:52:01,750 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:52:01,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:52:01,751 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:52:01,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:52:01,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:52:01,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:52:01,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:52:01,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:52:01,752 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_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c [2024-11-28 04:52:02,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:52:02,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:52:02,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:52:02,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:52:02,213 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:52:02,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2024-11-28 04:52:05,643 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/data/aca580c21/ae6a763e413342ad8d3533e4ee62aeea/FLAGbe4697c53 [2024-11-28 04:52:05,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:52:05,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2024-11-28 04:52:05,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/data/aca580c21/ae6a763e413342ad8d3533e4ee62aeea/FLAGbe4697c53 [2024-11-28 04:52:05,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/data/aca580c21/ae6a763e413342ad8d3533e4ee62aeea [2024-11-28 04:52:05,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:52:06,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:52:06,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:52:06,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:52:06,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:52:06,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:05" (1/1) ... [2024-11-28 04:52:06,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e35d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06, skipping insertion in model container [2024-11-28 04:52:06,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:05" (1/1) ... [2024-11-28 04:52:06,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:52:06,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:52:06,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:52:06,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:52:06,481 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:52:06,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06 WrapperNode [2024-11-28 04:52:06,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:52:06,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:52:06,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:52:06,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:52:06,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,556 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 312 [2024-11-28 04:52:06,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:52:06,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:52:06,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:52:06,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:52:06,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,574 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,603 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:52:06,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,615 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:52:06,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:52:06,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:52:06,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:52:06,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (1/1) ... [2024-11-28 04:52:06,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:52:06,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:06,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:06,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:52:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 04:52:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 04:52:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:52:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:52:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:52:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:52:06,832 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:52:06,835 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:52:07,385 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-28 04:52:07,386 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:52:07,403 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:52:07,403 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:52:07,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:07 BoogieIcfgContainer [2024-11-28 04:52:07,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:52:07,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:52:07,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:52:07,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:52:07,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:52:05" (1/3) ... [2024-11-28 04:52:07,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21411669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:07, skipping insertion in model container [2024-11-28 04:52:07,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:06" (2/3) ... [2024-11-28 04:52:07,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21411669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:07, skipping insertion in model container [2024-11-28 04:52:07,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:07" (3/3) ... [2024-11-28 04:52:07,422 INFO L128 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2024-11-28 04:52:07,443 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:52:07,445 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG apache-escape-absolute.i.v+cfa-reducer.c that has 2 procedures, 144 locations, 1 initial locations, 0 loop locations, and 30 error locations. [2024-11-28 04:52:07,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:52:07,545 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;@43ccb362, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:52:07,545 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-28 04:52:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 94 states have (on average 1.7234042553191489) internal successors, (162), 124 states have internal predecessors, (162), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 04:52:07,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 04:52:07,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:07,561 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:07,562 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:07,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:07,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1847528951, now seen corresponding path program 1 times [2024-11-28 04:52:07,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:07,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853480386] [2024-11-28 04:52:07,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:07,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:07,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:07,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853480386] [2024-11-28 04:52:07,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853480386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:07,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:07,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:52:07,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426905700] [2024-11-28 04:52:07,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:07,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:07,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:07,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:07,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:07,930 INFO L87 Difference]: Start difference. First operand has 144 states, 94 states have (on average 1.7234042553191489) internal successors, (162), 124 states have internal predecessors, (162), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:08,126 INFO L93 Difference]: Finished difference Result 149 states and 202 transitions. [2024-11-28 04:52:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:08,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-28 04:52:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:08,136 INFO L225 Difference]: With dead ends: 149 [2024-11-28 04:52:08,136 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 04:52:08,140 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 [2024-11-28 04:52:08,147 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 111 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:08,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 142 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:52:08,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 04:52:08,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-28 04:52:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 95 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 99 transitions. [2024-11-28 04:52:08,199 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 99 transitions. Word has length 13 [2024-11-28 04:52:08,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:08,199 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 99 transitions. [2024-11-28 04:52:08,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 99 transitions. [2024-11-28 04:52:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:52:08,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:08,201 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:08,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:52:08,201 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:08,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:08,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1438822715, now seen corresponding path program 1 times [2024-11-28 04:52:08,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:08,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073864032] [2024-11-28 04:52:08,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:08,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:08,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:08,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073864032] [2024-11-28 04:52:08,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073864032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:08,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:08,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:52:08,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038761989] [2024-11-28 04:52:08,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:08,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:08,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:08,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:08,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:08,288 INFO L87 Difference]: Start difference. First operand 96 states and 99 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:08,374 INFO L93 Difference]: Finished difference Result 96 states and 99 transitions. [2024-11-28 04:52:08,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:08,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 [2024-11-28 04:52:08,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:08,375 INFO L225 Difference]: With dead ends: 96 [2024-11-28 04:52:08,376 INFO L226 Difference]: Without dead ends: 91 [2024-11-28 04:52:08,376 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 [2024-11-28 04:52:08,377 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 81 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:08,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 68 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:52:08,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-28 04:52:08,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-28 04:52:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 71 states have (on average 1.323943661971831) internal successors, (94), 90 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 94 transitions. [2024-11-28 04:52:08,385 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 94 transitions. Word has length 14 [2024-11-28 04:52:08,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:08,386 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 94 transitions. [2024-11-28 04:52:08,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 94 transitions. [2024-11-28 04:52:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 04:52:08,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:08,387 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:08,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:52:08,388 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:08,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:08,388 INFO L85 PathProgramCache]: Analyzing trace with hash -270837411, now seen corresponding path program 1 times [2024-11-28 04:52:08,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:08,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313676294] [2024-11-28 04:52:08,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:08,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:08,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:08,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313676294] [2024-11-28 04:52:08,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313676294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:08,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:08,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:52:08,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641114076] [2024-11-28 04:52:08,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:08,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:52:08,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:08,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:52:08,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:52:08,529 INFO L87 Difference]: Start difference. First operand 91 states and 94 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:08,702 INFO L93 Difference]: Finished difference Result 91 states and 94 transitions. [2024-11-28 04:52:08,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:52:08,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-28 04:52:08,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:08,703 INFO L225 Difference]: With dead ends: 91 [2024-11-28 04:52:08,703 INFO L226 Difference]: Without dead ends: 83 [2024-11-28 04:52:08,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:52:08,705 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 60 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:08,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 92 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:52:08,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-28 04:52:08,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-28 04:52:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.2112676056338028) internal successors, (86), 82 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 86 transitions. [2024-11-28 04:52:08,712 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 86 transitions. Word has length 16 [2024-11-28 04:52:08,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:08,713 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 86 transitions. [2024-11-28 04:52:08,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 86 transitions. [2024-11-28 04:52:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 04:52:08,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:08,714 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:08,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:52:08,714 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:08,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:08,715 INFO L85 PathProgramCache]: Analyzing trace with hash 193974942, now seen corresponding path program 1 times [2024-11-28 04:52:08,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:08,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24314393] [2024-11-28 04:52:08,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:08,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:08,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:08,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24314393] [2024-11-28 04:52:08,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24314393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:08,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:08,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:52:08,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650753933] [2024-11-28 04:52:08,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:08,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:52:08,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:08,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:52:08,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:52:08,800 INFO L87 Difference]: Start difference. First operand 83 states and 86 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) [2024-11-28 04:52:08,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:08,970 INFO L93 Difference]: Finished difference Result 115 states and 120 transitions. [2024-11-28 04:52:08,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:52:08,971 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 17 [2024-11-28 04:52:08,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:08,972 INFO L225 Difference]: With dead ends: 115 [2024-11-28 04:52:08,973 INFO L226 Difference]: Without dead ends: 108 [2024-11-28 04:52:08,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:52:08,974 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 35 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:08,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 143 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:52:08,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-28 04:52:08,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-28 04:52:08,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 98 states have (on average 1.153061224489796) internal successors, (113), 107 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 113 transitions. [2024-11-28 04:52:08,984 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 113 transitions. Word has length 17 [2024-11-28 04:52:08,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:08,984 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 113 transitions. [2024-11-28 04:52:08,984 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) [2024-11-28 04:52:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2024-11-28 04:52:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 04:52:08,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:08,986 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:08,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:52:08,987 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:08,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:08,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1092637108, now seen corresponding path program 1 times [2024-11-28 04:52:08,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:08,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728405204] [2024-11-28 04:52:08,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:08,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:09,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:09,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728405204] [2024-11-28 04:52:09,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728405204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:09,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363754496] [2024-11-28 04:52:09,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:09,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:09,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:09,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:09,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:52:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:09,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:52:09,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:09,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:09,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363754496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:09,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:09,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-28 04:52:09,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722982638] [2024-11-28 04:52:09,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:09,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:52:09,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:09,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:52:09,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:52:09,754 INFO L87 Difference]: Start difference. First operand 108 states and 113 transitions. Second operand has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:10,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:10,411 INFO L93 Difference]: Finished difference Result 323 states and 362 transitions. [2024-11-28 04:52:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:52:10,412 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 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 40 [2024-11-28 04:52:10,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:10,415 INFO L225 Difference]: With dead ends: 323 [2024-11-28 04:52:10,415 INFO L226 Difference]: Without dead ends: 317 [2024-11-28 04:52:10,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:52:10,417 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 665 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:10,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 196 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:52:10,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-28 04:52:10,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 282. [2024-11-28 04:52:10,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 275 states have (on average 1.1454545454545455) internal successors, (315), 281 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 315 transitions. [2024-11-28 04:52:10,448 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 315 transitions. Word has length 40 [2024-11-28 04:52:10,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:10,454 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 315 transitions. [2024-11-28 04:52:10,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:10,454 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 315 transitions. [2024-11-28 04:52:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-28 04:52:10,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:10,456 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:10,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:52:10,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:10,657 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:10,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:10,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1361646498, now seen corresponding path program 1 times [2024-11-28 04:52:10,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:10,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820909195] [2024-11-28 04:52:10,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:10,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:10,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:10,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820909195] [2024-11-28 04:52:10,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820909195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:10,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:10,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:52:10,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964577949] [2024-11-28 04:52:10,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:10,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:10,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:10,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:10,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:10,794 INFO L87 Difference]: Start difference. First operand 282 states and 315 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:10,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:10,896 INFO L93 Difference]: Finished difference Result 394 states and 448 transitions. [2024-11-28 04:52:10,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:10,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2024-11-28 04:52:10,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:10,898 INFO L225 Difference]: With dead ends: 394 [2024-11-28 04:52:10,899 INFO L226 Difference]: Without dead ends: 282 [2024-11-28 04:52:10,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:10,902 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:10,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:52:10,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-28 04:52:10,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-11-28 04:52:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 275 states have (on average 1.1236363636363635) internal successors, (309), 281 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 309 transitions. [2024-11-28 04:52:10,935 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 309 transitions. Word has length 53 [2024-11-28 04:52:10,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:10,936 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 309 transitions. [2024-11-28 04:52:10,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 309 transitions. [2024-11-28 04:52:10,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 04:52:10,937 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:10,937 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:10,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:52:10,938 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:10,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:10,938 INFO L85 PathProgramCache]: Analyzing trace with hash -78368380, now seen corresponding path program 1 times [2024-11-28 04:52:10,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:10,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727240399] [2024-11-28 04:52:10,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:10,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:11,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:11,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727240399] [2024-11-28 04:52:11,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727240399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:11,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:11,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:52:11,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079169029] [2024-11-28 04:52:11,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:11,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:11,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:11,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:11,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:11,114 INFO L87 Difference]: Start difference. First operand 282 states and 309 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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) [2024-11-28 04:52:11,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:11,135 INFO L93 Difference]: Finished difference Result 282 states and 309 transitions. [2024-11-28 04:52:11,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:11,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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) Word has length 54 [2024-11-28 04:52:11,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:11,138 INFO L225 Difference]: With dead ends: 282 [2024-11-28 04:52:11,139 INFO L226 Difference]: Without dead ends: 281 [2024-11-28 04:52:11,139 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 [2024-11-28 04:52:11,141 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 25 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:11,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 76 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:52:11,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-28 04:52:11,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2024-11-28 04:52:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 275 states have (on average 1.1054545454545455) internal successors, (304), 280 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:11,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 304 transitions. [2024-11-28 04:52:11,171 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 304 transitions. Word has length 54 [2024-11-28 04:52:11,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:11,172 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 304 transitions. [2024-11-28 04:52:11,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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) [2024-11-28 04:52:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 304 transitions. [2024-11-28 04:52:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-28 04:52:11,174 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:11,174 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:11,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:52:11,174 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:11,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:11,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1865547748, now seen corresponding path program 1 times [2024-11-28 04:52:11,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:11,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262915798] [2024-11-28 04:52:11,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:11,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:11,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:11,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:11,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262915798] [2024-11-28 04:52:11,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262915798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:11,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:11,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:52:11,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155310426] [2024-11-28 04:52:11,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:11,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:11,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:11,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:11,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:11,305 INFO L87 Difference]: Start difference. First operand 281 states and 304 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:11,319 INFO L93 Difference]: Finished difference Result 281 states and 304 transitions. [2024-11-28 04:52:11,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:11,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-28 04:52:11,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:11,323 INFO L225 Difference]: With dead ends: 281 [2024-11-28 04:52:11,323 INFO L226 Difference]: Without dead ends: 280 [2024-11-28 04:52:11,323 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 [2024-11-28 04:52:11,324 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 24 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:11,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 72 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:52:11,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-28 04:52:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2024-11-28 04:52:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 275 states have (on average 1.0872727272727272) internal successors, (299), 279 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 299 transitions. [2024-11-28 04:52:11,345 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 299 transitions. Word has length 55 [2024-11-28 04:52:11,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:11,345 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 299 transitions. [2024-11-28 04:52:11,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 299 transitions. [2024-11-28 04:52:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 04:52:11,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:11,352 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:11,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:52:11,352 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:11,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:11,353 INFO L85 PathProgramCache]: Analyzing trace with hash 497527312, now seen corresponding path program 1 times [2024-11-28 04:52:11,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:11,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389407948] [2024-11-28 04:52:11,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:11,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:11,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389407948] [2024-11-28 04:52:11,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389407948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:11,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:11,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:52:11,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003532006] [2024-11-28 04:52:11,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:11,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:11,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:11,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:11,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:11,482 INFO L87 Difference]: Start difference. First operand 280 states and 299 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:11,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:11,503 INFO L93 Difference]: Finished difference Result 337 states and 366 transitions. [2024-11-28 04:52:11,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:11,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2024-11-28 04:52:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:11,506 INFO L225 Difference]: With dead ends: 337 [2024-11-28 04:52:11,506 INFO L226 Difference]: Without dead ends: 335 [2024-11-28 04:52:11,507 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 [2024-11-28 04:52:11,508 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 5 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:11,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 143 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:52:11,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-28 04:52:11,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 334. [2024-11-28 04:52:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 329 states have (on average 1.082066869300912) internal successors, (356), 333 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 356 transitions. [2024-11-28 04:52:11,518 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 356 transitions. Word has length 60 [2024-11-28 04:52:11,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:11,519 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 356 transitions. [2024-11-28 04:52:11,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 356 transitions. [2024-11-28 04:52:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 04:52:11,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:11,524 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:11,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:52:11,525 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:11,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:11,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1168181628, now seen corresponding path program 2 times [2024-11-28 04:52:11,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:11,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953345767] [2024-11-28 04:52:11,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:52:11,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:11,561 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:52:11,561 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:52:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 04:52:11,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:11,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953345767] [2024-11-28 04:52:11,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953345767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:11,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179000263] [2024-11-28 04:52:11,672 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:52:11,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:11,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:11,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:11,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:52:11,777 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:52:11,777 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:52:11,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:52:11,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 04:52:12,035 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 04:52:12,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179000263] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:12,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:12,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-28 04:52:12,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514612743] [2024-11-28 04:52:12,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:12,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:52:12,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:12,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:52:12,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:52:12,264 INFO L87 Difference]: Start difference. First operand 334 states and 356 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:12,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:12,529 INFO L93 Difference]: Finished difference Result 334 states and 356 transitions. [2024-11-28 04:52:12,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:52:12,529 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 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 72 [2024-11-28 04:52:12,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:12,531 INFO L225 Difference]: With dead ends: 334 [2024-11-28 04:52:12,531 INFO L226 Difference]: Without dead ends: 332 [2024-11-28 04:52:12,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:52:12,534 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 318 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:12,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 83 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:52:12,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-28 04:52:12,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 312. [2024-11-28 04:52:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 309 states have (on average 1.0776699029126213) internal successors, (333), 311 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:12,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 333 transitions. [2024-11-28 04:52:12,546 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 333 transitions. Word has length 72 [2024-11-28 04:52:12,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:12,546 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 333 transitions. [2024-11-28 04:52:12,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 333 transitions. [2024-11-28 04:52:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 04:52:12,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:12,548 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:12,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:12,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 04:52:12,753 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:12,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:12,754 INFO L85 PathProgramCache]: Analyzing trace with hash -803650672, now seen corresponding path program 1 times [2024-11-28 04:52:12,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:12,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285766316] [2024-11-28 04:52:12,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:12,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:12,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:12,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285766316] [2024-11-28 04:52:12,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285766316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:12,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536719535] [2024-11-28 04:52:12,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:12,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:12,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:12,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:12,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:52:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:13,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:52:13,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:13,115 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:52:13,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536719535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:13,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:52:13,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 04:52:13,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713266247] [2024-11-28 04:52:13,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:13,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:52:13,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:13,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:52:13,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:52:13,121 INFO L87 Difference]: Start difference. First operand 312 states and 333 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:13,147 INFO L93 Difference]: Finished difference Result 313 states and 333 transitions. [2024-11-28 04:52:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:52:13,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 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 77 [2024-11-28 04:52:13,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:13,149 INFO L225 Difference]: With dead ends: 313 [2024-11-28 04:52:13,149 INFO L226 Difference]: Without dead ends: 312 [2024-11-28 04:52:13,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:52:13,150 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 7 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:13,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 198 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:52:13,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-28 04:52:13,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 311. [2024-11-28 04:52:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 309 states have (on average 1.064724919093851) internal successors, (329), 310 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 329 transitions. [2024-11-28 04:52:13,164 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 329 transitions. Word has length 77 [2024-11-28 04:52:13,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:13,164 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 329 transitions. [2024-11-28 04:52:13,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 329 transitions. [2024-11-28 04:52:13,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 04:52:13,166 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:13,167 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:13,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:52:13,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:52:13,372 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:13,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:13,372 INFO L85 PathProgramCache]: Analyzing trace with hash 856633200, now seen corresponding path program 1 times [2024-11-28 04:52:13,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:13,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122753602] [2024-11-28 04:52:13,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:13,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:13,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:13,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122753602] [2024-11-28 04:52:13,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122753602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:13,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887124044] [2024-11-28 04:52:13,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:13,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:13,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,513 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:52:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:13,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:52:13,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:52:13,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:52:14,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887124044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:14,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:14,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-28 04:52:14,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331708884] [2024-11-28 04:52:14,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:14,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:52:14,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:14,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:52:14,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:52:14,026 INFO L87 Difference]: Start difference. First operand 311 states and 329 transitions. Second operand has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:14,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:14,125 INFO L93 Difference]: Finished difference Result 401 states and 424 transitions. [2024-11-28 04:52:14,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:52:14,126 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 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 [2024-11-28 04:52:14,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:14,128 INFO L225 Difference]: With dead ends: 401 [2024-11-28 04:52:14,128 INFO L226 Difference]: Without dead ends: 400 [2024-11-28 04:52:14,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:52:14,130 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 59 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:14,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 247 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:52:14,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-28 04:52:14,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 256. [2024-11-28 04:52:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.0431372549019609) internal successors, (266), 255 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 266 transitions. [2024-11-28 04:52:14,144 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 266 transitions. Word has length 78 [2024-11-28 04:52:14,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:14,144 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 266 transitions. [2024-11-28 04:52:14,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 266 transitions. [2024-11-28 04:52:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-28 04:52:14,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:14,149 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:14,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:14,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 04:52:14,354 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:14,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:14,354 INFO L85 PathProgramCache]: Analyzing trace with hash 330278063, now seen corresponding path program 1 times [2024-11-28 04:52:14,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:14,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959163313] [2024-11-28 04:52:14,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:14,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:14,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:14,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959163313] [2024-11-28 04:52:14,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959163313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:14,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262873151] [2024-11-28 04:52:14,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:14,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:14,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:14,650 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:14,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:52:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:14,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:52:14,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:15,012 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:15,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262873151] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:15,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:15,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-28 04:52:15,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734676601] [2024-11-28 04:52:15,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:15,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:52:15,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:15,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:52:15,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:52:15,316 INFO L87 Difference]: Start difference. First operand 256 states and 266 transitions. Second operand has 18 states, 17 states have (on average 14.352941176470589) internal successors, (244), 18 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:16,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:16,468 INFO L93 Difference]: Finished difference Result 653 states and 687 transitions. [2024-11-28 04:52:16,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:52:16,468 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 14.352941176470589) internal successors, (244), 18 states have internal predecessors, (244), 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 93 [2024-11-28 04:52:16,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:16,471 INFO L225 Difference]: With dead ends: 653 [2024-11-28 04:52:16,471 INFO L226 Difference]: Without dead ends: 652 [2024-11-28 04:52:16,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=325, Invalid=667, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:52:16,473 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 1448 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:16,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 284 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:52:16,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-11-28 04:52:16,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 632. [2024-11-28 04:52:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 631 states have (on average 1.0427892234548335) internal successors, (658), 631 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) [2024-11-28 04:52:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 658 transitions. [2024-11-28 04:52:16,491 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 658 transitions. Word has length 93 [2024-11-28 04:52:16,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:16,491 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 658 transitions. [2024-11-28 04:52:16,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 14.352941176470589) internal successors, (244), 18 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 658 transitions. [2024-11-28 04:52:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-28 04:52:16,494 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:16,494 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:16,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:52:16,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 04:52:16,699 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:16,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:16,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1682566943, now seen corresponding path program 2 times [2024-11-28 04:52:16,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:16,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061454015] [2024-11-28 04:52:16,701 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:52:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:16,750 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:52:16,751 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:52:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2024-11-28 04:52:16,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:16,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061454015] [2024-11-28 04:52:16,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061454015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:16,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656039102] [2024-11-28 04:52:16,969 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:52:16,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:16,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:16,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:16,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:52:17,087 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:52:17,087 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:52:17,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:52:17,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-11-28 04:52:17,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:52:17,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656039102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:17,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:52:17,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 04:52:17,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501029503] [2024-11-28 04:52:17,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:17,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:52:17,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:17,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:52:17,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:52:17,459 INFO L87 Difference]: Start difference. First operand 632 states and 658 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:17,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:17,698 INFO L93 Difference]: Finished difference Result 837 states and 875 transitions. [2024-11-28 04:52:17,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:52:17,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 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 157 [2024-11-28 04:52:17,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:17,703 INFO L225 Difference]: With dead ends: 837 [2024-11-28 04:52:17,703 INFO L226 Difference]: Without dead ends: 836 [2024-11-28 04:52:17,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:52:17,705 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 97 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:17,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 98 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:52:17,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-28 04:52:17,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 602. [2024-11-28 04:52:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 1.043261231281198) internal successors, (627), 601 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 627 transitions. [2024-11-28 04:52:17,726 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 627 transitions. Word has length 157 [2024-11-28 04:52:17,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:17,726 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 627 transitions. [2024-11-28 04:52:17,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 627 transitions. [2024-11-28 04:52:17,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 04:52:17,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:17,730 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:17,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:52:17,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 04:52:17,931 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:17,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:17,931 INFO L85 PathProgramCache]: Analyzing trace with hash 813345190, now seen corresponding path program 1 times [2024-11-28 04:52:17,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:17,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307286006] [2024-11-28 04:52:17,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:17,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:18,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:18,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307286006] [2024-11-28 04:52:18,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307286006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:18,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483648018] [2024-11-28 04:52:18,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:18,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:18,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:18,699 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:18,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:52:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:18,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:52:18,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:19,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:20,049 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:20,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483648018] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:20,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:20,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 33 [2024-11-28 04:52:20,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570319222] [2024-11-28 04:52:20,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:20,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 04:52:20,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:20,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 04:52:20,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=650, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 04:52:20,053 INFO L87 Difference]: Start difference. First operand 602 states and 627 transitions. Second operand has 34 states, 33 states have (on average 11.484848484848484) internal successors, (379), 34 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:23,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:23,108 INFO L93 Difference]: Finished difference Result 1694 states and 1785 transitions. [2024-11-28 04:52:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 04:52:23,109 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 11.484848484848484) internal successors, (379), 34 states have internal predecessors, (379), 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 160 [2024-11-28 04:52:23,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:23,115 INFO L225 Difference]: With dead ends: 1694 [2024-11-28 04:52:23,116 INFO L226 Difference]: Without dead ends: 1693 [2024-11-28 04:52:23,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1405, Invalid=2627, Unknown=0, NotChecked=0, Total=4032 [2024-11-28 04:52:23,121 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 4256 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4256 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:23,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4256 Valid, 501 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 04:52:23,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-28 04:52:23,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1354. [2024-11-28 04:52:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 1353 states have (on average 1.0428677014042869) internal successors, (1411), 1353 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1411 transitions. [2024-11-28 04:52:23,160 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1411 transitions. Word has length 160 [2024-11-28 04:52:23,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:23,160 INFO L471 AbstractCegarLoop]: Abstraction has 1354 states and 1411 transitions. [2024-11-28 04:52:23,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 11.484848484848484) internal successors, (379), 34 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:23,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1411 transitions. [2024-11-28 04:52:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-28 04:52:23,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:23,168 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 27, 27, 27, 27, 27, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:23,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:52:23,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 04:52:23,372 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 04:52:23,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:23,373 INFO L85 PathProgramCache]: Analyzing trace with hash -165287738, now seen corresponding path program 2 times [2024-11-28 04:52:23,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:23,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790640943] [2024-11-28 04:52:23,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:52:23,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:23,417 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:52:23,417 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:52:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2919 trivial. 0 not checked. [2024-11-28 04:52:23,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:23,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790640943] [2024-11-28 04:52:23,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790640943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:23,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532258963] [2024-11-28 04:52:23,553 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:52:23,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:23,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:23,556 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:23,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:52:23,734 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:52:23,735 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:52:23,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:52:23,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2922 trivial. 0 not checked. [2024-11-28 04:52:24,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2922 trivial. 0 not checked. [2024-11-28 04:52:24,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532258963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:24,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:24,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2024-11-28 04:52:24,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623634989] [2024-11-28 04:52:24,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:24,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:52:24,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:24,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:52:24,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:52:24,900 INFO L87 Difference]: Start difference. First operand 1354 states and 1411 transitions. Second operand has 10 states, 9 states have (on average 16.333333333333332) internal successors, (147), 10 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:25,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:25,188 INFO L93 Difference]: Finished difference Result 1543 states and 1600 transitions. [2024-11-28 04:52:25,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:52:25,189 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.333333333333332) internal successors, (147), 10 states have internal predecessors, (147), 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 288 [2024-11-28 04:52:25,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:25,193 INFO L225 Difference]: With dead ends: 1543 [2024-11-28 04:52:25,193 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:52:25,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:52:25,197 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 126 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:25,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 89 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:52:25,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:52:25,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:52:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:52:25,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 288 [2024-11-28 04:52:25,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:25,201 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:52:25,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.333333333333332) internal successors, (147), 10 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:52:25,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:52:25,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2024-11-28 04:52:25,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2024-11-28 04:52:25,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2024-11-28 04:52:25,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2024-11-28 04:52:25,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2024-11-28 04:52:25,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2024-11-28 04:52:25,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2024-11-28 04:52:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2024-11-28 04:52:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2024-11-28 04:52:25,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2024-11-28 04:52:25,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2024-11-28 04:52:25,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2024-11-28 04:52:25,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2024-11-28 04:52:25,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2024-11-28 04:52:25,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2024-11-28 04:52:25,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2024-11-28 04:52:25,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2024-11-28 04:52:25,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2024-11-28 04:52:25,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2024-11-28 04:52:25,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2024-11-28 04:52:25,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2024-11-28 04:52:25,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2024-11-28 04:52:25,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2024-11-28 04:52:25,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2024-11-28 04:52:25,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2024-11-28 04:52:25,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2024-11-28 04:52:25,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2024-11-28 04:52:25,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2024-11-28 04:52:25,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2024-11-28 04:52:25,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2024-11-28 04:52:25,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 04:52:25,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 04:52:25,418 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:25,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:52:25,468 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:52:25,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:52:25 BoogieIcfgContainer [2024-11-28 04:52:25,479 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:52:25,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:52:25,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:52:25,480 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:52:25,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:07" (3/4) ... [2024-11-28 04:52:25,489 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:52:25,496 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2024-11-28 04:52:25,513 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-28 04:52:25,514 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:52:25,515 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:52:25,515 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:52:25,645 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:52:25,645 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:52:25,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:52:25,647 INFO L158 Benchmark]: Toolchain (without parser) took 19646.98ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 90.2MB in the beginning and 95.9MB in the end (delta: -5.7MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-28 04:52:25,648 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:25,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.93ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 76.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:52:25,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.36ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:25,649 INFO L158 Benchmark]: Boogie Preprocessor took 74.06ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:25,650 INFO L158 Benchmark]: RCFGBuilder took 764.97ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 50.1MB in the end (delta: 22.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:52:25,651 INFO L158 Benchmark]: TraceAbstraction took 18071.34ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.3MB in the beginning and 103.3MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:25,652 INFO L158 Benchmark]: Witness Printer took 165.80ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 95.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:52:25,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.93ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 76.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.36ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.06ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 764.97ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 50.1MB in the end (delta: 22.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18071.34ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.3MB in the beginning and 103.3MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 165.80ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 95.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 131]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 131]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 162]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 162]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 184]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 184]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 200]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 200]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 232]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 232]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 314]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 314]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 144 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 17.9s, OverallIterations: 16, TraceHistogramMax: 28, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7317 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7317 mSDsluCounter, 2539 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1639 mSDsCounter, 273 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2874 IncrementalHoareTripleChecker+Invalid, 3147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 273 mSolverCounterUnsat, 900 mSDtfsCounter, 2874 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1817 GetRequests, 1653 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1354occurred in iteration=15, InterpolantAutomatonStates: 121, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 794 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 2212 NumberOfCodeBlocks, 1486 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2913 ConstructedInterpolants, 0 QuantifiedInterpolants, 8401 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1559 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 30 InterpolantComputations, 10 PerfectInterpolantSequences, 10225/12047 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:52:25,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325b3b30-48e9-4dfc-b5c1-c0e92a888f8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE