./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4cf3a327636065138b3aff68780319b351c24e3903e09b53dc2ed95cf03db38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:33,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:33,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:38:33,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:33,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:33,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:33,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:33,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:33,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:33,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:33,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:33,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:33,924 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:33,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:33,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:33,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:33,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:33,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:33,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:33,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:33,930 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:38:33,931 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:38:33,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:33,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:33,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:33,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:33,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:33,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:33,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:33,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:33,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:33,938 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:33,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:33,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:33,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:33,939 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:33,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:33,940 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:33,947 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_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4cf3a327636065138b3aff68780319b351c24e3903e09b53dc2ed95cf03db38 [2023-11-19 07:38:34,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:34,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:34,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:34,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:34,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:34,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_good.i [2023-11-19 07:38:37,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:38,109 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:38,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_good.i [2023-11-19 07:38:38,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/data/5fc459d28/dd9ebd569a1c4921add437d4231e0ac4/FLAGe4ae7d949 [2023-11-19 07:38:38,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/data/5fc459d28/dd9ebd569a1c4921add437d4231e0ac4 [2023-11-19 07:38:38,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:38,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:38,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:38,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:38,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:38,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:38" (1/1) ... [2023-11-19 07:38:38,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fb8306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:38, skipping insertion in model container [2023-11-19 07:38:38,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:38" (1/1) ... [2023-11-19 07:38:38,265 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:38,699 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:38:39,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:39,403 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:39,436 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:38:39,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:39,735 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:39,735 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:39,735 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:39,735 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:39,736 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:39,744 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:39,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39 WrapperNode [2023-11-19 07:38:39,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:39,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:39,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:39,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:39,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,811 INFO L138 Inliner]: procedures = 503, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 116 [2023-11-19 07:38:39,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:39,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:39,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:39,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:39,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:39,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:39,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:39,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:39,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (1/1) ... [2023-11-19 07:38:39,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:39,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:39,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:39,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:38:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:38:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:38:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:38:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-19 07:38:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-19 07:38:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-19 07:38:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-19 07:38:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:38:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:40,128 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:40,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:40,449 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:40,459 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:40,459 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:38:40,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:40 BoogieIcfgContainer [2023-11-19 07:38:40,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:40,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:40,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:40,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:40,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:38" (1/3) ... [2023-11-19 07:38:40,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b42f384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:40, skipping insertion in model container [2023-11-19 07:38:40,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:39" (2/3) ... [2023-11-19 07:38:40,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b42f384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:40, skipping insertion in model container [2023-11-19 07:38:40,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:40" (3/3) ... [2023-11-19 07:38:40,477 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_11_good.i [2023-11-19 07:38:40,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:40,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:38:40,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:40,556 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;@593e3c24, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:40,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 07:38:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 66 states have internal predecessors, (77), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:38:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:38:40,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:40,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:40,571 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:40,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:40,576 INFO L85 PathProgramCache]: Analyzing trace with hash -536293953, now seen corresponding path program 1 times [2023-11-19 07:38:40,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:40,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867090631] [2023-11-19 07:38:40,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:40,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:40,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:40,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867090631] [2023-11-19 07:38:40,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867090631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:40,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:40,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:38:40,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392625036] [2023-11-19 07:38:40,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:40,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:40,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:40,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:40,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:40,955 INFO L87 Difference]: Start difference. First operand has 85 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 66 states have internal predecessors, (77), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:38:41,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:41,014 INFO L93 Difference]: Finished difference Result 164 states and 217 transitions. [2023-11-19 07:38:41,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:41,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2023-11-19 07:38:41,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:41,035 INFO L225 Difference]: With dead ends: 164 [2023-11-19 07:38:41,035 INFO L226 Difference]: Without dead ends: 84 [2023-11-19 07:38:41,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:41,048 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 2 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:41,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 215 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:41,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-19 07:38:41,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2023-11-19 07:38:41,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 63 states have internal predecessors, (73), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:38:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 107 transitions. [2023-11-19 07:38:41,120 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 107 transitions. Word has length 23 [2023-11-19 07:38:41,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:41,122 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 107 transitions. [2023-11-19 07:38:41,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:38:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2023-11-19 07:38:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:38:41,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:41,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:41,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:41,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:41,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:41,133 INFO L85 PathProgramCache]: Analyzing trace with hash -929320963, now seen corresponding path program 1 times [2023-11-19 07:38:41,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:41,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374987744] [2023-11-19 07:38:41,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:41,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:41,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:41,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374987744] [2023-11-19 07:38:41,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374987744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:41,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:41,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:41,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327816604] [2023-11-19 07:38:41,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:41,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:38:41,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:41,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:38:41,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:41,397 INFO L87 Difference]: Start difference. First operand 81 states and 107 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:38:41,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:41,439 INFO L93 Difference]: Finished difference Result 139 states and 181 transitions. [2023-11-19 07:38:41,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:38:41,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2023-11-19 07:38:41,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:41,444 INFO L225 Difference]: With dead ends: 139 [2023-11-19 07:38:41,444 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 07:38:41,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:41,447 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:41,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 259 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:41,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 07:38:41,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-19 07:38:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 53 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:38:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2023-11-19 07:38:41,468 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 23 [2023-11-19 07:38:41,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:41,469 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2023-11-19 07:38:41,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:38:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2023-11-19 07:38:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:38:41,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:41,473 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:41,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:38:41,474 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:41,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:41,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1044834996, now seen corresponding path program 1 times [2023-11-19 07:38:41,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:41,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756109386] [2023-11-19 07:38:41,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:41,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:38:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:38:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:38:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 07:38:41,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:41,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756109386] [2023-11-19 07:38:41,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756109386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:41,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:41,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:41,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162636127] [2023-11-19 07:38:41,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:41,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:38:41,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:41,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:38:41,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:41,702 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:38:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:41,740 INFO L93 Difference]: Finished difference Result 126 states and 160 transitions. [2023-11-19 07:38:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:38:41,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2023-11-19 07:38:41,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:41,742 INFO L225 Difference]: With dead ends: 126 [2023-11-19 07:38:41,742 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 07:38:41,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:41,745 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:41,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:41,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 07:38:41,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 07:38:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 52 states have internal predecessors, (59), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 07:38:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2023-11-19 07:38:41,756 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 41 [2023-11-19 07:38:41,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:41,757 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2023-11-19 07:38:41,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:38:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-19 07:38:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 07:38:41,759 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:41,759 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:41,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:38:41,760 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:41,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:41,761 INFO L85 PathProgramCache]: Analyzing trace with hash 560678118, now seen corresponding path program 1 times [2023-11-19 07:38:41,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:41,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275482744] [2023-11-19 07:38:41,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:41,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:38:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:38:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 07:38:41,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:41,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275482744] [2023-11-19 07:38:41,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275482744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:41,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:41,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:38:41,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481114826] [2023-11-19 07:38:41,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:41,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:41,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:41,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:41,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:41,851 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:38:41,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:41,874 INFO L93 Difference]: Finished difference Result 122 states and 152 transitions. [2023-11-19 07:38:41,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:41,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2023-11-19 07:38:41,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:41,876 INFO L225 Difference]: With dead ends: 122 [2023-11-19 07:38:41,876 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 07:38:41,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:41,879 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:41,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 161 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:41,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 07:38:41,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2023-11-19 07:38:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 56 states have internal predecessors, (64), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:38:41,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2023-11-19 07:38:41,894 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 43 [2023-11-19 07:38:41,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:41,895 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2023-11-19 07:38:41,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:38:41,895 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2023-11-19 07:38:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 07:38:41,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:41,897 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:41,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:38:41,898 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:41,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:41,898 INFO L85 PathProgramCache]: Analyzing trace with hash 167651108, now seen corresponding path program 1 times [2023-11-19 07:38:41,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:41,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522375194] [2023-11-19 07:38:41,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:41,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:38:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:38:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:38:42,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:42,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522375194] [2023-11-19 07:38:42,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522375194] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:42,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971487341] [2023-11-19 07:38:42,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:42,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:42,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:42,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:42,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:38:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:42,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 07:38:42,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:42,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971487341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:42,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:42,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 07:38:42,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414080809] [2023-11-19 07:38:42,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:42,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:42,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:42,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:42,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:42,181 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:38:42,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:42,193 INFO L93 Difference]: Finished difference Result 116 states and 143 transitions. [2023-11-19 07:38:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:42,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2023-11-19 07:38:42,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:42,195 INFO L225 Difference]: With dead ends: 116 [2023-11-19 07:38:42,195 INFO L226 Difference]: Without dead ends: 68 [2023-11-19 07:38:42,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:42,197 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 2 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:42,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 150 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:42,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-19 07:38:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2023-11-19 07:38:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 50 states have internal predecessors, (56), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 07:38:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2023-11-19 07:38:42,206 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 43 [2023-11-19 07:38:42,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:42,206 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2023-11-19 07:38:42,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:38:42,207 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-19 07:38:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 07:38:42,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:42,209 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:42,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:42,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:42,433 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:42,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:42,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1320364786, now seen corresponding path program 1 times [2023-11-19 07:38:42,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:42,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229267848] [2023-11-19 07:38:42,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:42,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:38:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:38:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:38:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 07:38:42,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:42,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229267848] [2023-11-19 07:38:42,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229267848] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:42,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282570084] [2023-11-19 07:38:42,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:42,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:42,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:42,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:42,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:38:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:42,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:42,740 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 07:38:42,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:42,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282570084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:42,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:42,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:38:42,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706046565] [2023-11-19 07:38:42,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:42,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:42,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:42,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:42,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:42,761 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:38:42,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:42,789 INFO L93 Difference]: Finished difference Result 92 states and 115 transitions. [2023-11-19 07:38:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:42,790 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2023-11-19 07:38:42,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:42,792 INFO L225 Difference]: With dead ends: 92 [2023-11-19 07:38:42,792 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 07:38:42,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:42,801 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 5 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:42,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 145 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:42,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 07:38:42,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2023-11-19 07:38:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 53 states have internal predecessors, (61), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:38:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2023-11-19 07:38:42,815 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 55 [2023-11-19 07:38:42,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:42,817 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2023-11-19 07:38:42,817 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:38:42,817 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2023-11-19 07:38:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 07:38:42,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:42,827 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:42,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:43,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:43,041 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:43,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:43,041 INFO L85 PathProgramCache]: Analyzing trace with hash 2018364733, now seen corresponding path program 1 times [2023-11-19 07:38:43,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:43,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594250247] [2023-11-19 07:38:43,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:43,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:38:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:38:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:38:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 07:38:43,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:43,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594250247] [2023-11-19 07:38:43,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594250247] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:43,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363846291] [2023-11-19 07:38:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:43,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:43,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:43,220 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:43,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:38:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:43,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 07:38:43,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:43,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363846291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:43,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:43,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:38:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054548400] [2023-11-19 07:38:43,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:43,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:43,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:43,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:43,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:43,353 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:38:43,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:43,372 INFO L93 Difference]: Finished difference Result 72 states and 91 transitions. [2023-11-19 07:38:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:43,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2023-11-19 07:38:43,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:43,376 INFO L225 Difference]: With dead ends: 72 [2023-11-19 07:38:43,376 INFO L226 Difference]: Without dead ends: 71 [2023-11-19 07:38:43,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:43,377 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 7 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:43,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 133 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:43,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-19 07:38:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-19 07:38:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 52 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:38:43,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2023-11-19 07:38:43,397 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 56 [2023-11-19 07:38:43,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:43,397 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2023-11-19 07:38:43,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:38:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2023-11-19 07:38:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 07:38:43,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:43,399 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:43,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:43,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:43,600 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:43,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:43,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1424198688, now seen corresponding path program 1 times [2023-11-19 07:38:43,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:43,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201932164] [2023-11-19 07:38:43,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:43,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:38:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:38:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:38:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:38:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 07:38:43,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:43,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201932164] [2023-11-19 07:38:43,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201932164] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:43,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320162738] [2023-11-19 07:38:43,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:43,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:43,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:43,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:43,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:38:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:43,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 07:38:43,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:43,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320162738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:43,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:43,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 07:38:43,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404997585] [2023-11-19 07:38:43,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:43,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:43,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:43,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:43,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:43,889 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:38:43,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:43,907 INFO L93 Difference]: Finished difference Result 93 states and 113 transitions. [2023-11-19 07:38:43,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:43,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2023-11-19 07:38:43,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:43,909 INFO L225 Difference]: With dead ends: 93 [2023-11-19 07:38:43,909 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 07:38:43,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:43,911 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:43,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 149 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:43,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 07:38:43,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2023-11-19 07:38:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.1875) internal successors, (57), 50 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:38:43,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2023-11-19 07:38:43,931 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 60 [2023-11-19 07:38:43,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:43,934 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2023-11-19 07:38:43,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:38:43,934 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-19 07:38:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 07:38:43,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:43,938 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:43,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:44,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:44,153 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:44,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:44,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1264523874, now seen corresponding path program 1 times [2023-11-19 07:38:44,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:44,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866021292] [2023-11-19 07:38:44,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:44,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:38:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:38:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:38:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:38:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:38:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:38:44,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:44,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866021292] [2023-11-19 07:38:44,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866021292] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:44,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660207936] [2023-11-19 07:38:44,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:44,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:44,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:44,282 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:44,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:38:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:44,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 07:38:44,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:44,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660207936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:44,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:44,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:38:44,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386047507] [2023-11-19 07:38:44,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:44,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:44,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:44,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:44,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:44,408 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:38:44,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:44,427 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2023-11-19 07:38:44,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:44,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2023-11-19 07:38:44,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:44,429 INFO L225 Difference]: With dead ends: 76 [2023-11-19 07:38:44,429 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 07:38:44,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:44,432 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:44,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 145 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:44,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 07:38:44,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2023-11-19 07:38:44,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 54 states have internal predecessors, (61), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:38:44,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2023-11-19 07:38:44,443 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 68 [2023-11-19 07:38:44,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:44,445 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2023-11-19 07:38:44,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:38:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2023-11-19 07:38:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 07:38:44,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:44,447 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:44,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:44,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:44,668 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:44,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1944582244, now seen corresponding path program 1 times [2023-11-19 07:38:44,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:44,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641209388] [2023-11-19 07:38:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:38:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:38:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:38:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:38:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:38:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:38:44,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:44,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641209388] [2023-11-19 07:38:44,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641209388] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:44,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376535466] [2023-11-19 07:38:44,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:44,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:44,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:44,776 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:44,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:38:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:44,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 07:38:44,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:44,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376535466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:44,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:44,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 07:38:44,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925455668] [2023-11-19 07:38:44,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:44,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:44,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:44,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:44,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:44,903 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:38:44,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:44,911 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2023-11-19 07:38:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:44,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2023-11-19 07:38:44,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:44,913 INFO L225 Difference]: With dead ends: 76 [2023-11-19 07:38:44,913 INFO L226 Difference]: Without dead ends: 68 [2023-11-19 07:38:44,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:44,914 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:44,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:44,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-19 07:38:44,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-19 07:38:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 49 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:38:44,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2023-11-19 07:38:44,920 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 68 [2023-11-19 07:38:44,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:44,921 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2023-11-19 07:38:44,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:38:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2023-11-19 07:38:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 07:38:44,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:44,922 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:44,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:45,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:45,144 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:45,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:45,145 INFO L85 PathProgramCache]: Analyzing trace with hash 545534598, now seen corresponding path program 1 times [2023-11-19 07:38:45,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:45,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697569815] [2023-11-19 07:38:45,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:45,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:38:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:38:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:38:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:38:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:38:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:38:45,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:45,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697569815] [2023-11-19 07:38:45,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697569815] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:45,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783844625] [2023-11-19 07:38:45,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:45,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:45,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:45,250 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:45,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:38:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:45,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:45,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:45,378 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 07:38:45,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:45,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783844625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:45,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:45,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:38:45,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656348545] [2023-11-19 07:38:45,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:45,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:45,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:45,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:45,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:45,381 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:38:45,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:45,389 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2023-11-19 07:38:45,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:45,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2023-11-19 07:38:45,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:45,390 INFO L225 Difference]: With dead ends: 68 [2023-11-19 07:38:45,390 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:38:45,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:45,392 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:45,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 137 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:45,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:38:45,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:38:45,393 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) [2023-11-19 07:38:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:38:45,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2023-11-19 07:38:45,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:45,394 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:38:45,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:38:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:38:45,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:38:45,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 07:38:45,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 07:38:45,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 07:38:45,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 07:38:45,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 07:38:45,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 07:38:45,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 07:38:45,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 07:38:45,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:45,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:45,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:38:45,672 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:38:45,673 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:38:45,673 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:38:45,673 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:38:45,673 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2023-11-19 07:38:45,673 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseFINAL(lines 1514 1517) no Hoare annotation was computed. [2023-11-19 07:38:45,674 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2023-11-19 07:38:45,674 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:38:45,674 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:38:45,674 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:38:45,674 INFO L895 garLoopResultBuilder]: At program point L1604-3(lines 1604 1611) the Hoare annotation is: (or (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (< |ULTIMATE.start_goodG2B1_~data~2#1| 1)) [2023-11-19 07:38:45,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-19 07:38:45,675 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2023-11-19 07:38:45,675 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 1629 1636) no Hoare annotation was computed. [2023-11-19 07:38:45,675 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2023-11-19 07:38:45,675 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2023-11-19 07:38:45,675 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) [2023-11-19 07:38:45,675 INFO L899 garLoopResultBuilder]: For program point L1580-1(line 1580) no Hoare annotation was computed. [2023-11-19 07:38:45,675 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1580 1583) no Hoare annotation was computed. [2023-11-19 07:38:45,676 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1645 1652) no Hoare annotation was computed. [2023-11-19 07:38:45,676 INFO L895 garLoopResultBuilder]: At program point L1580-4(lines 1580 1583) the Hoare annotation is: (or (< |ULTIMATE.start_goodB2G2_~data~1#1| 1) (< 2147483646 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2023-11-19 07:38:45,676 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-19 07:38:45,676 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2023-11-19 07:38:45,676 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-19 07:38:45,676 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:38:45,677 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-11-19 07:38:45,677 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2023-11-19 07:38:45,677 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1574) no Hoare annotation was computed. [2023-11-19 07:38:45,677 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1618) no Hoare annotation was computed. [2023-11-19 07:38:45,677 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) [2023-11-19 07:38:45,678 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-19 07:38:45,678 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1635) no Hoare annotation was computed. [2023-11-19 07:38:45,679 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-11-19 07:38:45,679 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-19 07:38:45,679 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2023-11-19 07:38:45,679 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-11-19 07:38:45,679 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:38:45,679 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-19 07:38:45,680 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-19 07:38:45,680 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: false [2023-11-19 07:38:45,680 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-19 07:38:45,680 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-19 07:38:45,681 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-11-19 07:38:45,681 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2023-11-19 07:38:45,681 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-11-19 07:38:45,681 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2023-11-19 07:38:45,681 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-19 07:38:45,682 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: false [2023-11-19 07:38:45,682 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-19 07:38:45,682 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0) [2023-11-19 07:38:45,682 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-19 07:38:45,682 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1625 1628) no Hoare annotation was computed. [2023-11-19 07:38:45,683 INFO L895 garLoopResultBuilder]: At program point L1625-4(lines 1625 1628) the Hoare annotation is: (or (< |ULTIMATE.start_goodG2B2_~data~3#1| 1) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2)) [2023-11-19 07:38:45,684 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-19 07:38:45,684 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) [2023-11-19 07:38:45,684 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-19 07:38:45,684 INFO L899 garLoopResultBuilder]: For program point L1584(line 1584) no Hoare annotation was computed. [2023-11-19 07:38:45,684 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2023-11-19 07:38:45,684 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 1584 1598) no Hoare annotation was computed. [2023-11-19 07:38:45,684 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2023-11-19 07:38:45,685 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2023-11-19 07:38:45,685 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-11-19 07:38:45,685 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:38:45,685 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-19 07:38:45,685 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2023-11-19 07:38:45,685 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-19 07:38:45,686 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2023-11-19 07:38:45,686 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-19 07:38:45,686 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:38:45,686 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-19 07:38:45,687 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1597) no Hoare annotation was computed. [2023-11-19 07:38:45,687 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-19 07:38:45,687 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2023-11-19 07:38:45,687 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2023-11-19 07:38:45,687 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1548 1575) no Hoare annotation was computed. [2023-11-19 07:38:45,687 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2023-11-19 07:38:45,687 INFO L899 garLoopResultBuilder]: For program point L1612-1(lines 1612 1619) no Hoare annotation was computed. [2023-11-19 07:38:45,688 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-19 07:38:45,688 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) [2023-11-19 07:38:45,688 INFO L902 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: true [2023-11-19 07:38:45,688 INFO L899 garLoopResultBuilder]: For program point L1604-1(line 1604) no Hoare annotation was computed. [2023-11-19 07:38:45,688 INFO L899 garLoopResultBuilder]: For program point L1604-2(lines 1604 1611) no Hoare annotation was computed. [2023-11-19 07:38:45,688 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueFINAL(lines 1510 1513) no Hoare annotation was computed. [2023-11-19 07:38:45,689 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2023-11-19 07:38:45,689 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2023-11-19 07:38:45,692 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:45,695 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:38:45,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:38:45 BoogieIcfgContainer [2023-11-19 07:38:45,706 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:38:45,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:38:45,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:38:45,707 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:38:45,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:40" (3/4) ... [2023-11-19 07:38:45,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:38:45,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:38:45,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-19 07:38:45,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:38:45,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-19 07:38:45,726 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 07:38:45,726 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 07:38:45,727 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:38:45,727 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:38:45,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:38:45,849 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:38:45,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:38:45,850 INFO L158 Benchmark]: Toolchain (without parser) took 7675.48ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.1MB in the beginning and 77.7MB in the end (delta: 51.4MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,850 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:45,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1569.28ms. Allocated memory is still 163.6MB. Free memory was 129.1MB in the beginning and 120.7MB in the end (delta: 8.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.31ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 117.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,851 INFO L158 Benchmark]: Boogie Preprocessor took 59.78ms. Allocated memory is still 163.6MB. Free memory was 117.4MB in the beginning and 115.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,852 INFO L158 Benchmark]: RCFGBuilder took 590.87ms. Allocated memory is still 163.6MB. Free memory was 115.4MB in the beginning and 99.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,852 INFO L158 Benchmark]: TraceAbstraction took 5239.93ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 98.6MB in the beginning and 84.0MB in the end (delta: 14.6MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,853 INFO L158 Benchmark]: Witness Printer took 142.16ms. Allocated memory is still 197.1MB. Free memory was 84.0MB in the beginning and 77.7MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,855 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1569.28ms. Allocated memory is still 163.6MB. Free memory was 129.1MB in the beginning and 120.7MB in the end (delta: 8.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.31ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 117.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.78ms. Allocated memory is still 163.6MB. Free memory was 117.4MB in the beginning and 115.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 590.87ms. Allocated memory is still 163.6MB. Free memory was 115.4MB in the beginning and 99.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5239.93ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 98.6MB in the beginning and 84.0MB in the end (delta: 14.6MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Witness Printer took 142.16ms. Allocated memory is still 197.1MB. Free memory was 84.0MB in the beginning and 77.7MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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 5 procedures, 85 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 1890 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 987 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 903 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 603 GetRequests, 576 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 11 MinimizatonAttempts, 12 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 94 PreInvPairs, 110 NumberOfFragments, 52 HoareAnnotationTreeSize, 94 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 968 NumberOfCodeBlocks, 968 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 950 ConstructedInterpolants, 0 QuantifiedInterpolants, 1130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1310 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 504/530 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:38:45,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13232812-ba44-4d46-9cb3-dfa5ece95078/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE