./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:02:24,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:02:24,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 05:02:24,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:02:24,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:02:24,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:02:24,557 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:02:24,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:02:24,558 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:02:24,559 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:02:24,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:02:24,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:02:24,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:02:24,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:02:24,562 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:02:24,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:02:24,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:02:24,564 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:02:24,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:02:24,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:02:24,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:02:24,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:02:24,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:02:24,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:02:24,568 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 05:02:24,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:02:24,569 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:02:24,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:02:24,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:02:24,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:02:24,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:02:24,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:02:24,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:02:24,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:02:24,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:02:24,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:02:24,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:02:24,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:02:24,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:02:24,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:02:24,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:02:24,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:02:24,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:02:24,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:02:24,574 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 [2023-11-29 05:02:24,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:02:24,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:02:24,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:02:24,815 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:02:24,816 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:02:24,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2023-11-29 05:02:27,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:02:28,102 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:02:28,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2023-11-29 05:02:28,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/data/5c454967a/be65150eda714279a4d7985ef0068d1f/FLAG0c5f674a0 [2023-11-29 05:02:28,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/data/5c454967a/be65150eda714279a4d7985ef0068d1f [2023-11-29 05:02:28,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:02:28,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:02:28,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:02:28,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:02:28,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:02:28,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b0410c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28, skipping insertion in model container [2023-11-29 05:02:28,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:02:28,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:02:28,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:02:28,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:02:28,588 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:02:28,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28 WrapperNode [2023-11-29 05:02:28,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:02:28,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:02:28,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:02:28,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:02:28,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,639 INFO L138 Inliner]: procedures = 126, calls = 23, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 142 [2023-11-29 05:02:28,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:02:28,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:02:28,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:02:28,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:02:28,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,673 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4]. [2023-11-29 05:02:28,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:02:28,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:02:28,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:02:28,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:02:28,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (1/1) ... [2023-11-29 05:02:28,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:02:28,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:02:28,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:02:28,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:02:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:02:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:02:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:02:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:02:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 05:02:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:02:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 05:02:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 05:02:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 05:02:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 05:02:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:02:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:02:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:02:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:02:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:02:28,925 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:02:28,928 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:02:29,195 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:02:29,243 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:02:29,244 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 05:02:29,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:02:29 BoogieIcfgContainer [2023-11-29 05:02:29,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:02:29,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:02:29,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:02:29,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:02:29,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:02:28" (1/3) ... [2023-11-29 05:02:29,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3080a063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:02:29, skipping insertion in model container [2023-11-29 05:02:29,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:02:28" (2/3) ... [2023-11-29 05:02:29,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3080a063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:02:29, skipping insertion in model container [2023-11-29 05:02:29,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:02:29" (3/3) ... [2023-11-29 05:02:29,254 INFO L112 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2023-11-29 05:02:29,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:02:29,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-29 05:02:29,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:02:29,338 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6628ab0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:02:29,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-29 05:02:29,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 37 states have (on average 1.8918918918918919) internal successors, (70), 55 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 05:02:29,349 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:29,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 05:02:29,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:29,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:29,354 INFO L85 PathProgramCache]: Analyzing trace with hash 5732646, now seen corresponding path program 1 times [2023-11-29 05:02:29,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:29,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017870547] [2023-11-29 05:02:29,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:29,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:02:29,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:29,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017870547] [2023-11-29 05:02:29,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017870547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:29,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:29,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 05:02:29,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55544249] [2023-11-29 05:02:29,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:29,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:02:29,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:29,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:02:29,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:02:29,587 INFO L87 Difference]: Start difference. First operand has 56 states, 37 states have (on average 1.8918918918918919) internal successors, (70), 55 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:29,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:29,657 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2023-11-29 05:02:29,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:02:29,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2023-11-29 05:02:29,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:29,669 INFO L225 Difference]: With dead ends: 101 [2023-11-29 05:02:29,669 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 05:02:29,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:02:29,674 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:29,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 37 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 05:02:29,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 05:02:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 45 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2023-11-29 05:02:29,713 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 4 [2023-11-29 05:02:29,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:29,713 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2023-11-29 05:02:29,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-29 05:02:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 05:02:29,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:29,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 05:02:29,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:02:29,715 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:29,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:29,716 INFO L85 PathProgramCache]: Analyzing trace with hash 5734527, now seen corresponding path program 1 times [2023-11-29 05:02:29,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:29,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185111414] [2023-11-29 05:02:29,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:29,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:29,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:02:29,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:29,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185111414] [2023-11-29 05:02:29,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185111414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:29,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:29,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:02:29,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894904397] [2023-11-29 05:02:29,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:29,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:02:29,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:29,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:02:29,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:02:29,855 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:29,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:29,914 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2023-11-29 05:02:29,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:02:29,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2023-11-29 05:02:29,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:29,916 INFO L225 Difference]: With dead ends: 86 [2023-11-29 05:02:29,916 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 05:02:29,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:02:29,918 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:29,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 116 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:29,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 05:02:29,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 05:02:29,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 45 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:29,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2023-11-29 05:02:29,926 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 4 [2023-11-29 05:02:29,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:29,927 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2023-11-29 05:02:29,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-29 05:02:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 05:02:29,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:29,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 05:02:29,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:02:29,929 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:29,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:29,929 INFO L85 PathProgramCache]: Analyzing trace with hash 177770393, now seen corresponding path program 1 times [2023-11-29 05:02:29,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:29,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847964552] [2023-11-29 05:02:29,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:29,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:02:30,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:30,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847964552] [2023-11-29 05:02:30,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847964552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:30,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:30,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:02:30,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853993811] [2023-11-29 05:02:30,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:30,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:02:30,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:30,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:02:30,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:02:30,046 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:30,088 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2023-11-29 05:02:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:02:30,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-29 05:02:30,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:30,090 INFO L225 Difference]: With dead ends: 46 [2023-11-29 05:02:30,090 INFO L226 Difference]: Without dead ends: 45 [2023-11-29 05:02:30,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:02:30,092 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 3 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:30,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:30,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-29 05:02:30,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-29 05:02:30,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 44 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2023-11-29 05:02:30,100 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 5 [2023-11-29 05:02:30,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:30,101 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2023-11-29 05:02:30,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-11-29 05:02:30,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 05:02:30,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:30,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:30,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:02:30,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:30,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:30,103 INFO L85 PathProgramCache]: Analyzing trace with hash -432456266, now seen corresponding path program 1 times [2023-11-29 05:02:30,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:30,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385946527] [2023-11-29 05:02:30,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:30,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 05:02:30,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:30,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385946527] [2023-11-29 05:02:30,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385946527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:30,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:30,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 05:02:30,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915139927] [2023-11-29 05:02:30,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:30,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:02:30,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:30,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:02:30,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:02:30,204 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:30,245 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2023-11-29 05:02:30,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:02:30,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 05:02:30,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:30,246 INFO L225 Difference]: With dead ends: 45 [2023-11-29 05:02:30,246 INFO L226 Difference]: Without dead ends: 43 [2023-11-29 05:02:30,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:02:30,249 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:30,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 28 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:30,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-29 05:02:30,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-29 05:02:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 42 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2023-11-29 05:02:30,257 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 9 [2023-11-29 05:02:30,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:30,257 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2023-11-29 05:02:30,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,258 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-29 05:02:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 05:02:30,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:30,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:30,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:02:30,259 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:30,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:30,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1021358456, now seen corresponding path program 1 times [2023-11-29 05:02:30,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:30,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133961439] [2023-11-29 05:02:30,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:30,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 05:02:30,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:30,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133961439] [2023-11-29 05:02:30,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133961439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:30,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:30,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:02:30,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993993883] [2023-11-29 05:02:30,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:30,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:02:30,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:30,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:02:30,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:02:30,342 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:30,403 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2023-11-29 05:02:30,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:02:30,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2023-11-29 05:02:30,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:30,404 INFO L225 Difference]: With dead ends: 48 [2023-11-29 05:02:30,405 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 05:02:30,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:02:30,406 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 72 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:30,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 30 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:30,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 05:02:30,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2023-11-29 05:02:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2023-11-29 05:02:30,414 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 11 [2023-11-29 05:02:30,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:30,415 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-11-29 05:02:30,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-29 05:02:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 05:02:30,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:30,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:30,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:02:30,416 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:30,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1597341142, now seen corresponding path program 1 times [2023-11-29 05:02:30,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:30,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050693906] [2023-11-29 05:02:30,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:30,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 05:02:30,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:30,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050693906] [2023-11-29 05:02:30,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050693906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:30,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:30,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:02:30,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385545248] [2023-11-29 05:02:30,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:30,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:02:30,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:30,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:02:30,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:02:30,489 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:30,568 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2023-11-29 05:02:30,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:02:30,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-29 05:02:30,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:30,570 INFO L225 Difference]: With dead ends: 70 [2023-11-29 05:02:30,571 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 05:02:30,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:02:30,573 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 94 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:30,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 47 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:30,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 05:02:30,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 47. [2023-11-29 05:02:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 46 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2023-11-29 05:02:30,584 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 12 [2023-11-29 05:02:30,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:30,584 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2023-11-29 05:02:30,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-11-29 05:02:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 05:02:30,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:30,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:30,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:02:30,586 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:30,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:30,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1741515576, now seen corresponding path program 1 times [2023-11-29 05:02:30,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:30,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729196297] [2023-11-29 05:02:30,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:30,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 05:02:30,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:30,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729196297] [2023-11-29 05:02:30,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729196297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:30,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:30,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:02:30,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773545856] [2023-11-29 05:02:30,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:30,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:02:30,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:30,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:02:30,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:02:30,653 INFO L87 Difference]: Start difference. First operand 47 states and 52 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) [2023-11-29 05:02:30,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:30,683 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2023-11-29 05:02:30,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:02:30,684 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 [2023-11-29 05:02:30,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:30,685 INFO L225 Difference]: With dead ends: 47 [2023-11-29 05:02:30,685 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 05:02:30,685 INFO L412 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 [2023-11-29 05:02:30,686 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:30,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 66 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:30,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 05:02:30,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 05:02:30,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2023-11-29 05:02:30,694 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 14 [2023-11-29 05:02:30,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:30,695 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-11-29 05:02:30,695 INFO L496 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) [2023-11-29 05:02:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-29 05:02:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 05:02:30,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:30,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:30,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:02:30,696 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:30,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:30,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1847590682, now seen corresponding path program 1 times [2023-11-29 05:02:30,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:30,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057282048] [2023-11-29 05:02:30,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:30,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:02:30,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:30,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057282048] [2023-11-29 05:02:30,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057282048] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:02:30,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281666249] [2023-11-29 05:02:30,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:30,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:30,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:02:30,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:02:30,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:02:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:30,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:02:30,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:02:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:02:30,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:02:30,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:02:30,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281666249] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:02:30,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:02:30,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2023-11-29 05:02:30,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996931469] [2023-11-29 05:02:30,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:02:30,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:02:30,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:30,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:02:30,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:02:30,991 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:31,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:31,045 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2023-11-29 05:02:31,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:02:31,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-29 05:02:31,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:31,047 INFO L225 Difference]: With dead ends: 90 [2023-11-29 05:02:31,047 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 05:02:31,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:02:31,049 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:31,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 102 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:31,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 05:02:31,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-29 05:02:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 49 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) [2023-11-29 05:02:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2023-11-29 05:02:31,059 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 15 [2023-11-29 05:02:31,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:31,059 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2023-11-29 05:02:31,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2023-11-29 05:02:31,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 05:02:31,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:31,060 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:31,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:02:31,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 05:02:31,262 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:31,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:31,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1816169024, now seen corresponding path program 2 times [2023-11-29 05:02:31,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:31,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218200279] [2023-11-29 05:02:31,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:31,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:31,439 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 05:02:31,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:31,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218200279] [2023-11-29 05:02:31,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218200279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:31,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:31,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:02:31,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211514542] [2023-11-29 05:02:31,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:31,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:02:31,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:31,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:02:31,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:02:31,442 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:31,560 INFO L93 Difference]: Finished difference Result 108 states and 119 transitions. [2023-11-29 05:02:31,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:02:31,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 19 [2023-11-29 05:02:31,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:31,562 INFO L225 Difference]: With dead ends: 108 [2023-11-29 05:02:31,562 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 05:02:31,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:02:31,564 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 97 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:31,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 60 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:31,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 05:02:31,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 51. [2023-11-29 05:02:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 50 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) [2023-11-29 05:02:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2023-11-29 05:02:31,573 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 19 [2023-11-29 05:02:31,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:31,574 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2023-11-29 05:02:31,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2023-11-29 05:02:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 05:02:31,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:31,575 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:31,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:02:31,575 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:31,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:31,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1816167805, now seen corresponding path program 1 times [2023-11-29 05:02:31,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:31,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082110583] [2023-11-29 05:02:31,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:31,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 05:02:31,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:31,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082110583] [2023-11-29 05:02:31,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082110583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:31,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:31,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:02:31,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389587205] [2023-11-29 05:02:31,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:31,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:02:31,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:31,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:02:31,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:02:31,746 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:31,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:31,909 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2023-11-29 05:02:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:02:31,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 19 [2023-11-29 05:02:31,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:31,910 INFO L225 Difference]: With dead ends: 71 [2023-11-29 05:02:31,910 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 05:02:31,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:02:31,912 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 90 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:31,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 84 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:31,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 05:02:31,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 54. [2023-11-29 05:02:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 53 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2023-11-29 05:02:31,922 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 19 [2023-11-29 05:02:31,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:31,922 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2023-11-29 05:02:31,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2023-11-29 05:02:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 05:02:31,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:31,924 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:31,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:02:31,925 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:31,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1752138719, now seen corresponding path program 1 times [2023-11-29 05:02:31,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:31,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427216844] [2023-11-29 05:02:31,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:31,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 05:02:32,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:32,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427216844] [2023-11-29 05:02:32,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427216844] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:02:32,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194022184] [2023-11-29 05:02:32,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:32,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:32,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:02:32,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:02:32,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:02:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:32,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:02:32,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:02:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 05:02:32,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:02:32,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194022184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:32,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:02:32,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-29 05:02:32,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697718302] [2023-11-29 05:02:32,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:32,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:02:32,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:32,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:02:32,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:02:32,317 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:32,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:32,432 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2023-11-29 05:02:32,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:02:32,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-29 05:02:32,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:32,434 INFO L225 Difference]: With dead ends: 70 [2023-11-29 05:02:32,434 INFO L226 Difference]: Without dead ends: 69 [2023-11-29 05:02:32,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:02:32,435 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 80 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:32,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 65 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:32,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-29 05:02:32,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 56. [2023-11-29 05:02:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 47 states have (on average 1.297872340425532) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2023-11-29 05:02:32,446 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 22 [2023-11-29 05:02:32,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:32,446 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2023-11-29 05:02:32,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:32,446 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2023-11-29 05:02:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 05:02:32,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:32,447 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:32,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:02:32,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 05:02:32,653 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:32,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:32,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1518274456, now seen corresponding path program 1 times [2023-11-29 05:02:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:32,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279284058] [2023-11-29 05:02:32,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:32,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 05:02:32,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:32,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279284058] [2023-11-29 05:02:32,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279284058] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:02:32,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960575108] [2023-11-29 05:02:32,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:32,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:32,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:02:32,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:02:32,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:02:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:32,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:02:32,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:02:33,036 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 05:02:33,037 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:02:33,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960575108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:33,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:02:33,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2023-11-29 05:02:33,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24880175] [2023-11-29 05:02:33,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:33,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:02:33,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:33,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:02:33,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:02:33,039 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:33,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:33,121 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2023-11-29 05:02:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:02:33,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-29 05:02:33,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:33,122 INFO L225 Difference]: With dead ends: 67 [2023-11-29 05:02:33,123 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 05:02:33,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:02:33,124 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 70 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:33,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 53 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:33,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 05:02:33,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 54. [2023-11-29 05:02:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 53 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2023-11-29 05:02:33,131 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 23 [2023-11-29 05:02:33,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:33,132 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2023-11-29 05:02:33,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:33,132 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2023-11-29 05:02:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 05:02:33,133 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:33,133 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:33,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 05:02:33,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 05:02:33,341 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:33,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:33,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1895207400, now seen corresponding path program 1 times [2023-11-29 05:02:33,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:33,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279459243] [2023-11-29 05:02:33,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:33,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 05:02:33,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:33,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279459243] [2023-11-29 05:02:33,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279459243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:33,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:33,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:02:33,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924955673] [2023-11-29 05:02:33,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:33,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:02:33,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:33,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:02:33,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:02:33,502 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:33,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:33,569 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2023-11-29 05:02:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:02:33,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-11-29 05:02:33,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:33,571 INFO L225 Difference]: With dead ends: 61 [2023-11-29 05:02:33,571 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 05:02:33,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:02:33,572 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 30 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:33,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 70 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:33,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 05:02:33,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 51. [2023-11-29 05:02:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 50 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2023-11-29 05:02:33,579 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 29 [2023-11-29 05:02:33,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:33,579 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2023-11-29 05:02:33,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-29 05:02:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 05:02:33,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:33,581 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:33,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:02:33,581 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:33,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:33,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1895208619, now seen corresponding path program 1 times [2023-11-29 05:02:33,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:33,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143779987] [2023-11-29 05:02:33,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:33,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:33,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 05:02:33,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:33,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143779987] [2023-11-29 05:02:33,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143779987] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:02:33,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407205125] [2023-11-29 05:02:33,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:33,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:33,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:02:33,805 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:02:33,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:02:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:33,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:02:33,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:02:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 05:02:34,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:02:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 05:02:34,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407205125] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:02:34,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:02:34,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2023-11-29 05:02:34,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340880704] [2023-11-29 05:02:34,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:02:34,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:02:34,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:34,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:02:34,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:02:34,104 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:34,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:34,286 INFO L93 Difference]: Finished difference Result 95 states and 104 transitions. [2023-11-29 05:02:34,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:02:34,286 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-11-29 05:02:34,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:34,287 INFO L225 Difference]: With dead ends: 95 [2023-11-29 05:02:34,287 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 05:02:34,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:02:34,288 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 75 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:34,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 96 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:34,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 05:02:34,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 48. [2023-11-29 05:02:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 47 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2023-11-29 05:02:34,295 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 29 [2023-11-29 05:02:34,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:34,296 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2023-11-29 05:02:34,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2023-11-29 05:02:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 05:02:34,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:34,297 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 05:02:34,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:02:34,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:34,503 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:34,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:34,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1451223502, now seen corresponding path program 1 times [2023-11-29 05:02:34,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:34,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939457322] [2023-11-29 05:02:34,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:34,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 05:02:34,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:34,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939457322] [2023-11-29 05:02:34,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939457322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:34,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:34,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:02:34,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546182687] [2023-11-29 05:02:34,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:34,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:02:34,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:34,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:02:34,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:02:34,591 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:34,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:34,617 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2023-11-29 05:02:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:02:34,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-29 05:02:34,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:34,618 INFO L225 Difference]: With dead ends: 48 [2023-11-29 05:02:34,618 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 05:02:34,618 INFO L412 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 [2023-11-29 05:02:34,619 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:34,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 56 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:34,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 05:02:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 05:02:34,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.186046511627907) internal successors, (51), 46 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:34,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2023-11-29 05:02:34,626 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 32 [2023-11-29 05:02:34,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:34,626 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2023-11-29 05:02:34,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-29 05:02:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 05:02:34,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:34,627 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 05:02:34,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:02:34,628 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:34,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:34,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2038255738, now seen corresponding path program 1 times [2023-11-29 05:02:34,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:34,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733214684] [2023-11-29 05:02:34,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 05:02:34,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:34,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733214684] [2023-11-29 05:02:34,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733214684] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:02:34,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515805026] [2023-11-29 05:02:34,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:34,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:34,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:02:34,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:02:34,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:02:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:34,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:02:34,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:02:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 05:02:34,980 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:02:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 05:02:35,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515805026] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:02:35,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:02:35,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2023-11-29 05:02:35,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127243829] [2023-11-29 05:02:35,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:02:35,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:02:35,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:35,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:02:35,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:02:35,040 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:35,184 INFO L93 Difference]: Finished difference Result 83 states and 90 transitions. [2023-11-29 05:02:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:02:35,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 33 [2023-11-29 05:02:35,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:35,186 INFO L225 Difference]: With dead ends: 83 [2023-11-29 05:02:35,186 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 05:02:35,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:02:35,187 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 107 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:35,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 64 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:35,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 05:02:35,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 51. [2023-11-29 05:02:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 50 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) [2023-11-29 05:02:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2023-11-29 05:02:35,194 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 33 [2023-11-29 05:02:35,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:35,194 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2023-11-29 05:02:35,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2023-11-29 05:02:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 05:02:35,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:35,195 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:35,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:02:35,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 05:02:35,398 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:35,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:35,398 INFO L85 PathProgramCache]: Analyzing trace with hash -2131035999, now seen corresponding path program 2 times [2023-11-29 05:02:35,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:35,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526811540] [2023-11-29 05:02:35,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:35,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 05:02:35,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:35,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526811540] [2023-11-29 05:02:35,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526811540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:35,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:35,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:02:35,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979670758] [2023-11-29 05:02:35,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:35,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:02:35,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:35,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:02:35,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:02:35,548 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:35,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:35,670 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2023-11-29 05:02:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:02:35,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 [2023-11-29 05:02:35,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:35,672 INFO L225 Difference]: With dead ends: 61 [2023-11-29 05:02:35,672 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 05:02:35,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:02:35,673 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 53 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:35,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 65 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:35,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 05:02:35,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2023-11-29 05:02:35,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.18) internal successors, (59), 53 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:35,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2023-11-29 05:02:35,679 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 40 [2023-11-29 05:02:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:35,679 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2023-11-29 05:02:35,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2023-11-29 05:02:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 05:02:35,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:35,681 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:35,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 05:02:35,681 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:35,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1637616391, now seen corresponding path program 1 times [2023-11-29 05:02:35,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:35,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940999742] [2023-11-29 05:02:35,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:35,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 05:02:35,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:35,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940999742] [2023-11-29 05:02:35,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940999742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:35,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:35,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:02:35,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630230439] [2023-11-29 05:02:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:35,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:02:35,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:35,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:02:35,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:02:35,793 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:35,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:35,877 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2023-11-29 05:02:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:02:35,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 41 [2023-11-29 05:02:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:35,878 INFO L225 Difference]: With dead ends: 77 [2023-11-29 05:02:35,878 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 05:02:35,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:02:35,879 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 53 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:35,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 50 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:35,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 05:02:35,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 55. [2023-11-29 05:02:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 54 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) [2023-11-29 05:02:35,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2023-11-29 05:02:35,886 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 41 [2023-11-29 05:02:35,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:35,886 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2023-11-29 05:02:35,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2023-11-29 05:02:35,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 05:02:35,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:35,887 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:35,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:02:35,888 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:35,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:35,888 INFO L85 PathProgramCache]: Analyzing trace with hash 601465365, now seen corresponding path program 1 times [2023-11-29 05:02:35,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:35,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744063999] [2023-11-29 05:02:35,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:35,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 05:02:35,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:35,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744063999] [2023-11-29 05:02:35,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744063999] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:02:35,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108214687] [2023-11-29 05:02:35,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:35,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:35,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:02:35,987 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:02:35,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:02:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:36,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:02:36,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:02:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:02:36,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:02:36,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108214687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:36,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:02:36,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-29 05:02:36,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939123954] [2023-11-29 05:02:36,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:36,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:02:36,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:36,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:02:36,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:02:36,251 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:36,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:36,338 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2023-11-29 05:02:36,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:02:36,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-11-29 05:02:36,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:36,339 INFO L225 Difference]: With dead ends: 61 [2023-11-29 05:02:36,339 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 05:02:36,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:02:36,340 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 42 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:36,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 50 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:36,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 05:02:36,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2023-11-29 05:02:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2023-11-29 05:02:36,347 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 44 [2023-11-29 05:02:36,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:36,347 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2023-11-29 05:02:36,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2023-11-29 05:02:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 05:02:36,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:36,348 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:36,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 05:02:36,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:36,553 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:36,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:36,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1465557284, now seen corresponding path program 1 times [2023-11-29 05:02:36,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:36,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361296865] [2023-11-29 05:02:36,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:36,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 05:02:36,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:36,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361296865] [2023-11-29 05:02:36,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361296865] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:02:36,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618210870] [2023-11-29 05:02:36,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:36,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:36,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:02:36,742 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:02:36,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:02:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:36,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:02:36,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:02:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:02:37,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:02:37,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618210870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:37,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:02:37,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2023-11-29 05:02:37,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552861744] [2023-11-29 05:02:37,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:37,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:02:37,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:37,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:02:37,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:02:37,017 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:37,087 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2023-11-29 05:02:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:02:37,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2023-11-29 05:02:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:37,088 INFO L225 Difference]: With dead ends: 58 [2023-11-29 05:02:37,088 INFO L226 Difference]: Without dead ends: 56 [2023-11-29 05:02:37,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:02:37,089 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 30 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:37,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 40 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:37,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-29 05:02:37,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-29 05:02:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2023-11-29 05:02:37,097 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 45 [2023-11-29 05:02:37,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:37,097 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2023-11-29 05:02:37,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2023-11-29 05:02:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 05:02:37,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:37,098 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:37,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 05:02:37,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:37,298 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:37,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash -109974031, now seen corresponding path program 1 times [2023-11-29 05:02:37,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:37,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68540468] [2023-11-29 05:02:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 05:02:37,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:37,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68540468] [2023-11-29 05:02:37,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68540468] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:02:37,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362895566] [2023-11-29 05:02:37,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:37,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:02:37,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:02:37,507 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:02:37,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:02:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:37,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:02:37,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:02:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:02:37,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:02:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:02:37,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362895566] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:02:37,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:02:37,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2023-11-29 05:02:37,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779134856] [2023-11-29 05:02:37,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:02:37,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:02:37,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:37,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:02:37,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:02:37,906 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:38,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:38,083 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2023-11-29 05:02:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:02:38,084 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 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 51 [2023-11-29 05:02:38,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:38,085 INFO L225 Difference]: With dead ends: 68 [2023-11-29 05:02:38,085 INFO L226 Difference]: Without dead ends: 56 [2023-11-29 05:02:38,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:02:38,086 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 39 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:38,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 72 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:02:38,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-29 05:02:38,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2023-11-29 05:02:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 52 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2023-11-29 05:02:38,093 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 51 [2023-11-29 05:02:38,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:38,093 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2023-11-29 05:02:38,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:38,094 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2023-11-29 05:02:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 05:02:38,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:02:38,094 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:38,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 05:02:38,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 05:02:38,301 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-29 05:02:38,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:02:38,302 INFO L85 PathProgramCache]: Analyzing trace with hash 885762473, now seen corresponding path program 1 times [2023-11-29 05:02:38,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:02:38,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863239730] [2023-11-29 05:02:38,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:02:38,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:02:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:02:38,440 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 05:02:38,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:02:38,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863239730] [2023-11-29 05:02:38,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863239730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:02:38,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:02:38,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:02:38,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2545355] [2023-11-29 05:02:38,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:02:38,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:02:38,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:02:38,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:02:38,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:02:38,442 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:38,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:02:38,502 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2023-11-29 05:02:38,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:02:38,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 52 [2023-11-29 05:02:38,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:02:38,505 INFO L225 Difference]: With dead ends: 55 [2023-11-29 05:02:38,506 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:02:38,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:02:38,507 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 21 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:02:38,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 55 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:02:38,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:02:38,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:02:38,508 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) [2023-11-29 05:02:38,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:02:38,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2023-11-29 05:02:38,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:02:38,509 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:02:38,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:02:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:02:38,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:02:38,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2023-11-29 05:02:38,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2023-11-29 05:02:38,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2023-11-29 05:02:38,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2023-11-29 05:02:38,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2023-11-29 05:02:38,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2023-11-29 05:02:38,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2023-11-29 05:02:38,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2023-11-29 05:02:38,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2023-11-29 05:02:38,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2023-11-29 05:02:38,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2023-11-29 05:02:38,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2023-11-29 05:02:38,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2023-11-29 05:02:38,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2023-11-29 05:02:38,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2023-11-29 05:02:38,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2023-11-29 05:02:38,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2023-11-29 05:02:38,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2023-11-29 05:02:38,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 05:02:38,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:02:38,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 618) no Hoare annotation was computed. [2023-11-29 05:02:38,945 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-11-29 05:02:38,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 602) no Hoare annotation was computed. [2023-11-29 05:02:38,946 INFO L899 garLoopResultBuilder]: For program point L622(line 622) no Hoare annotation was computed. [2023-11-29 05:02:38,946 INFO L899 garLoopResultBuilder]: For program point L622-1(line 622) no Hoare annotation was computed. [2023-11-29 05:02:38,946 INFO L899 garLoopResultBuilder]: For program point L622-5(line 622) no Hoare annotation was computed. [2023-11-29 05:02:38,946 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 613 632) no Hoare annotation was computed. [2023-11-29 05:02:38,946 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 609) no Hoare annotation was computed. [2023-11-29 05:02:38,946 INFO L899 garLoopResultBuilder]: For program point L622-6(line 622) no Hoare annotation was computed. [2023-11-29 05:02:38,947 INFO L895 garLoopResultBuilder]: At program point L622-7(lines 622 627) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~len~0#1| 2))) (or (and (<= |ULTIMATE.start_main_~i~0#1| 0) .cse0) (and (= |ULTIMATE.start_main_~i~0#1| 1) .cse0))) [2023-11-29 05:02:38,947 INFO L899 garLoopResultBuilder]: For program point L622-8(lines 622 627) no Hoare annotation was computed. [2023-11-29 05:02:38,947 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 585) no Hoare annotation was computed. [2023-11-29 05:02:38,947 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 622) no Hoare annotation was computed. [2023-11-29 05:02:38,947 INFO L899 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2023-11-29 05:02:38,947 INFO L899 garLoopResultBuilder]: For program point L623-1(line 623) no Hoare annotation was computed. [2023-11-29 05:02:38,947 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-11-29 05:02:38,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 618) no Hoare annotation was computed. [2023-11-29 05:02:38,948 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-11-29 05:02:38,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 585) no Hoare annotation was computed. [2023-11-29 05:02:38,948 INFO L895 garLoopResultBuilder]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~len~0#1| 2))) (or (and (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse0 (= |ULTIMATE.start_sll_update_at_~index#1| |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (<= |ULTIMATE.start_sll_update_at_~index#1| 1) .cse0))) [2023-11-29 05:02:38,948 INFO L899 garLoopResultBuilder]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2023-11-29 05:02:38,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 622) no Hoare annotation was computed. [2023-11-29 05:02:38,949 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 626) no Hoare annotation was computed. [2023-11-29 05:02:38,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 618) no Hoare annotation was computed. [2023-11-29 05:02:38,949 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:02:38,950 INFO L895 garLoopResultBuilder]: At program point L600-2(lines 600 603) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~len~0#1| 2))) (or (and (= |ULTIMATE.start_main_~i~0#1| 1) (<= |ULTIMATE.start_sll_get_data_at_~index#1| 1) .cse0) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 (= |ULTIMATE.start_sll_get_data_at_~index#1| 0)))) [2023-11-29 05:02:38,950 INFO L899 garLoopResultBuilder]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2023-11-29 05:02:38,950 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 598) no Hoare annotation was computed. [2023-11-29 05:02:38,950 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 622) no Hoare annotation was computed. [2023-11-29 05:02:38,950 INFO L899 garLoopResultBuilder]: For program point L609(line 609) no Hoare annotation was computed. [2023-11-29 05:02:38,951 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 578) no Hoare annotation was computed. [2023-11-29 05:02:38,951 INFO L899 garLoopResultBuilder]: For program point L609-1(line 609) no Hoare annotation was computed. [2023-11-29 05:02:38,951 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 597) the Hoare annotation is: (<= 2 |ULTIMATE.start_main_~len~0#1|) [2023-11-29 05:02:38,951 INFO L899 garLoopResultBuilder]: For program point L618(line 618) no Hoare annotation was computed. [2023-11-29 05:02:38,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 622) no Hoare annotation was computed. [2023-11-29 05:02:38,952 INFO L899 garLoopResultBuilder]: For program point L618-1(line 618) no Hoare annotation was computed. [2023-11-29 05:02:38,952 INFO L899 garLoopResultBuilder]: For program point L585-3(line 585) no Hoare annotation was computed. [2023-11-29 05:02:38,952 INFO L899 garLoopResultBuilder]: For program point L585-4(line 585) no Hoare annotation was computed. [2023-11-29 05:02:38,952 INFO L899 garLoopResultBuilder]: For program point L618-5(line 618) no Hoare annotation was computed. [2023-11-29 05:02:38,952 INFO L895 garLoopResultBuilder]: At program point L585-5(lines 585 589) the Hoare annotation is: (and (= |ULTIMATE.start_main_~len~0#1| 2) (<= |ULTIMATE.start_sll_create_~len#1| 2)) [2023-11-29 05:02:38,952 INFO L899 garLoopResultBuilder]: For program point L618-6(line 618) no Hoare annotation was computed. [2023-11-29 05:02:38,953 INFO L899 garLoopResultBuilder]: For program point L585-6(lines 585 589) no Hoare annotation was computed. [2023-11-29 05:02:38,953 INFO L895 garLoopResultBuilder]: At program point L618-7(lines 618 621) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~len~0#1| 2))) (or (and (<= |ULTIMATE.start_main_~i~0#1| 0) .cse0) (and (= |ULTIMATE.start_main_~i~0#1| 1) .cse0))) [2023-11-29 05:02:38,953 INFO L899 garLoopResultBuilder]: For program point L618-8(lines 618 621) no Hoare annotation was computed. [2023-11-29 05:02:38,953 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 619) no Hoare annotation was computed. [2023-11-29 05:02:38,953 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-11-29 05:02:38,953 INFO L899 garLoopResultBuilder]: For program point L602-1(line 602) no Hoare annotation was computed. [2023-11-29 05:02:38,953 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 623) no Hoare annotation was computed. [2023-11-29 05:02:38,954 INFO L899 garLoopResultBuilder]: For program point L619(line 619) no Hoare annotation was computed. [2023-11-29 05:02:38,954 INFO L899 garLoopResultBuilder]: For program point L619-1(line 619) no Hoare annotation was computed. [2023-11-29 05:02:38,954 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:02:38,954 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 619) no Hoare annotation was computed. [2023-11-29 05:02:38,954 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 623) no Hoare annotation was computed. [2023-11-29 05:02:38,954 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 618) no Hoare annotation was computed. [2023-11-29 05:02:38,954 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 602) no Hoare annotation was computed. [2023-11-29 05:02:38,955 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 609) no Hoare annotation was computed. [2023-11-29 05:02:38,958 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:02:38,960 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:02:38,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-29 05:02:38,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-29 05:02:38,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-29 05:02:38,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-29 05:02:38,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-29 05:02:38,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-29 05:02:38,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-29 05:02:38,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-29 05:02:38,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-29 05:02:38,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-29 05:02:38,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-29 05:02:38,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:02:38 BoogieIcfgContainer [2023-11-29 05:02:38,976 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:02:38,976 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:02:38,976 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:02:38,977 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:02:38,977 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:02:29" (3/4) ... [2023-11-29 05:02:38,979 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:02:38,989 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-29 05:02:38,990 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 05:02:38,990 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:02:38,991 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:02:39,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:02:39,098 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:02:39,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:02:39,099 INFO L158 Benchmark]: Toolchain (without parser) took 10961.94ms. Allocated memory was 167.8MB in the beginning and 281.0MB in the end (delta: 113.2MB). Free memory was 123.3MB in the beginning and 207.6MB in the end (delta: -84.3MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-29 05:02:39,100 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:02:39,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.04ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 105.3MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 05:02:39,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.99ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 103.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:02:39,101 INFO L158 Benchmark]: Boogie Preprocessor took 50.16ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 100.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:02:39,102 INFO L158 Benchmark]: RCFGBuilder took 553.39ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 129.0MB in the end (delta: -28.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-29 05:02:39,102 INFO L158 Benchmark]: TraceAbstraction took 9728.79ms. Allocated memory was 167.8MB in the beginning and 281.0MB in the end (delta: 113.2MB). Free memory was 128.3MB in the beginning and 212.9MB in the end (delta: -84.5MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. [2023-11-29 05:02:39,103 INFO L158 Benchmark]: Witness Printer took 122.37ms. Allocated memory is still 281.0MB. Free memory was 212.9MB in the beginning and 207.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:02:39,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.04ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 105.3MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.99ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 103.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.16ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 100.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.39ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 129.0MB in the end (delta: -28.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9728.79ms. Allocated memory was 167.8MB in the beginning and 281.0MB in the end (delta: 113.2MB). Free memory was 128.3MB in the beginning and 212.9MB in the end (delta: -84.5MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. * Witness Printer took 122.37ms. Allocated memory is still 281.0MB. Free memory was 212.9MB in the beginning and 207.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 * 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: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: 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 1 procedures, 56 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 22, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1065 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1065 mSDsluCounter, 1420 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 874 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1151 IncrementalHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 546 mSDtfsCounter, 1151 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 507 GetRequests, 377 SyntacticMatches, 14 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=19, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 145 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 20 NumberOfFragments, 85 HoareAnnotationTreeSize, 6 FomulaSimplifications, 8558 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 6 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 815 NumberOfCodeBlocks, 815 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 909 ConstructedInterpolants, 0 QuantifiedInterpolants, 2271 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2112 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 34 InterpolantComputations, 18 PerfectInterpolantSequences, 318/342 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: (((i <= 0) && (len == 2)) || ((i == 1) && (len == 2))) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((len == 2) && (len <= 2)) - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: (((i <= 0) && (len == 2)) || ((i == 1) && (len == 2))) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((index <= 1) || (index == 0)) - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-29 05:02:39,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24589f94-30b8-42eb-91d9-4ac9e42d4abd/bin/uautomizer-verify-BQ2R08f2Ya/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