./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme --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 a9c94ff3f7a4cc7959f300c80b9f2b63e79e2db35d5e30d3783ff95bcb9ac78c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:04:37,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:04:37,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 12:04:37,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:04:37,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:04:37,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:04:37,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:04:37,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:04:37,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:04:37,924 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:04:37,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:04:37,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:04:37,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:04:37,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:04:37,928 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:04:37,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:04:37,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:04:37,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:04:37,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:04:37,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:04:37,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:04:37,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:04:37,932 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 12:04:37,933 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:04:37,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:04:37,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:04:37,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:04:37,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:04:37,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:04:37,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:04:37,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:04:37,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:04:37,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:04:37,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:04:37,938 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:04:37,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:04:37,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:04:37,939 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:04:37,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:04:37,939 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:04:37,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:04:37,940 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_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9c94ff3f7a4cc7959f300c80b9f2b63e79e2db35d5e30d3783ff95bcb9ac78c [2023-11-26 12:04:38,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:04:38,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:04:38,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:04:38,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:04:38,293 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:04:38,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i [2023-11-26 12:04:41,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:04:41,988 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:04:41,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i [2023-11-26 12:04:42,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/data/f2ebe78dc/afa21f7b56854ea4b2f0e3fe3134ade1/FLAG410b4b20e [2023-11-26 12:04:42,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/data/f2ebe78dc/afa21f7b56854ea4b2f0e3fe3134ade1 [2023-11-26 12:04:42,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:04:42,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:04:42,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:42,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:04:42,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:04:42,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:42" (1/1) ... [2023-11-26 12:04:42,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a32814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:42, skipping insertion in model container [2023-11-26 12:04:42,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:42" (1/1) ... [2023-11-26 12:04:42,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:04:43,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:04:43,302 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:04:43,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:04:43,639 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:43,640 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:43,640 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:43,640 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:43,649 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:04:43,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43 WrapperNode [2023-11-26 12:04:43,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:43,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:04:43,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:04:43,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:04:43,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,793 INFO L138 Inliner]: procedures = 504, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 227 [2023-11-26 12:04:43,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:04:43,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:04:43,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:04:43,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:04:43,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,870 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 12:04:43,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:04:43,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:04:43,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:04:43,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:04:43,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (1/1) ... [2023-11-26 12:04:43,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:04:43,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:43,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:04:44,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:04:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 12:04:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 12:04:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 12:04:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 12:04:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:04:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:04:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:04:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-26 12:04:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-26 12:04:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-26 12:04:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-26 12:04:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 12:04:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:04:44,252 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:04:44,255 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:04:44,724 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:04:44,761 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:04:44,762 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:04:44,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:44 BoogieIcfgContainer [2023-11-26 12:04:44,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:04:44,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:04:44,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:04:44,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:04:44,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:04:42" (1/3) ... [2023-11-26 12:04:44,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8a3adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:44, skipping insertion in model container [2023-11-26 12:04:44,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:43" (2/3) ... [2023-11-26 12:04:44,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8a3adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:44, skipping insertion in model container [2023-11-26 12:04:44,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:44" (3/3) ... [2023-11-26 12:04:44,772 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_08_good.i [2023-11-26 12:04:44,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:04:44,793 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-26 12:04:44,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:04:44,876 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;@50ace33b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:04:44,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-26 12:04:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 87 states have (on average 1.5632183908045978) internal successors, (136), 95 states have internal predecessors, (136), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:04:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-26 12:04:44,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:44,892 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] [2023-11-26 12:04:44,893 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)] === [2023-11-26 12:04:44,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1803098741, now seen corresponding path program 1 times [2023-11-26 12:04:44,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:44,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278862033] [2023-11-26 12:04:44,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:44,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:45,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 12:04:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:45,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:45,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278862033] [2023-11-26 12:04:45,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278862033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:45,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:45,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:04:45,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953574369] [2023-11-26 12:04:45,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:45,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:04:45,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:45,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:04:45,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:45,433 INFO L87 Difference]: Start difference. First operand has 118 states, 87 states have (on average 1.5632183908045978) internal successors, (136), 95 states have internal predecessors, (136), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2023-11-26 12:04:45,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:45,521 INFO L93 Difference]: Finished difference Result 212 states and 304 transitions. [2023-11-26 12:04:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:04:45,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 20 [2023-11-26 12:04:45,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:45,535 INFO L225 Difference]: With dead ends: 212 [2023-11-26 12:04:45,535 INFO L226 Difference]: Without dead ends: 112 [2023-11-26 12:04:45,539 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 [2023-11-26 12:04:45,543 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:45,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 486 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:45,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-26 12:04:45,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-11-26 12:04:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 84 states have (on average 1.5357142857142858) internal successors, (129), 91 states have internal predecessors, (129), 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) [2023-11-26 12:04:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 161 transitions. [2023-11-26 12:04:45,599 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 161 transitions. Word has length 20 [2023-11-26 12:04:45,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:45,601 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 161 transitions. [2023-11-26 12:04:45,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2023-11-26 12:04:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 161 transitions. [2023-11-26 12:04:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-26 12:04:45,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:45,604 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, 1, 1, 1] [2023-11-26 12:04:45,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:04:45,605 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)] === [2023-11-26 12:04:45,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:45,606 INFO L85 PathProgramCache]: Analyzing trace with hash 712662730, now seen corresponding path program 1 times [2023-11-26 12:04:45,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:45,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895702440] [2023-11-26 12:04:45,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:45,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:45,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:45,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:45,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:45,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895702440] [2023-11-26 12:04:45,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895702440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:45,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:45,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:45,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996292034] [2023-11-26 12:04:45,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:45,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:45,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:45,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:45,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:45,791 INFO L87 Difference]: Start difference. First operand 112 states and 161 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 12:04:45,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:45,851 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2023-11-26 12:04:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:45,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2023-11-26 12:04:45,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:45,854 INFO L225 Difference]: With dead ends: 113 [2023-11-26 12:04:45,855 INFO L226 Difference]: Without dead ends: 112 [2023-11-26 12:04:45,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:45,857 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 6 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:45,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 294 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:45,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-26 12:04:45,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2023-11-26 12:04:45,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 90 states have internal predecessors, (128), 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) [2023-11-26 12:04:45,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2023-11-26 12:04:45,885 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 26 [2023-11-26 12:04:45,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:45,887 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2023-11-26 12:04:45,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 12:04:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2023-11-26 12:04:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-26 12:04:45,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:45,891 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, 1, 1, 1, 1] [2023-11-26 12:04:45,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:04:45,892 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 12:04:45,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:45,893 INFO L85 PathProgramCache]: Analyzing trace with hash 617708298, now seen corresponding path program 1 times [2023-11-26 12:04:45,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:45,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962289031] [2023-11-26 12:04:45,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:45,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:46,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:46,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962289031] [2023-11-26 12:04:46,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962289031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:46,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:46,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:46,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897622742] [2023-11-26 12:04:46,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:46,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:46,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:46,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:46,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:46,088 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 12:04:46,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:46,163 INFO L93 Difference]: Finished difference Result 112 states and 161 transitions. [2023-11-26 12:04:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:46,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2023-11-26 12:04:46,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:46,169 INFO L225 Difference]: With dead ends: 112 [2023-11-26 12:04:46,169 INFO L226 Difference]: Without dead ends: 111 [2023-11-26 12:04:46,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:46,181 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 34 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:46,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 264 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:46,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-26 12:04:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2023-11-26 12:04:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 84 states have (on average 1.5119047619047619) internal successors, (127), 89 states have internal predecessors, (127), 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) [2023-11-26 12:04:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 159 transitions. [2023-11-26 12:04:46,220 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 159 transitions. Word has length 27 [2023-11-26 12:04:46,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:46,221 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 159 transitions. [2023-11-26 12:04:46,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 12:04:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2023-11-26 12:04:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 12:04:46,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:46,226 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:46,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:04:46,227 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)] === [2023-11-26 12:04:46,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:46,228 INFO L85 PathProgramCache]: Analyzing trace with hash -2053240770, now seen corresponding path program 1 times [2023-11-26 12:04:46,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:46,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906460548] [2023-11-26 12:04:46,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:46,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 12:04:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:04:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 12:04:46,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:46,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906460548] [2023-11-26 12:04:46,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906460548] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:04:46,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830415121] [2023-11-26 12:04:46,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:46,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:46,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:46,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:46,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:04:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:46,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:04:46,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:04:46,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:46,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830415121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:46,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:04:46,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-26 12:04:46,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417258621] [2023-11-26 12:04:46,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:46,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:46,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:46,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:46,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:46,726 INFO L87 Difference]: Start difference. First operand 110 states and 159 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:04:46,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:46,787 INFO L93 Difference]: Finished difference Result 162 states and 223 transitions. [2023-11-26 12:04:46,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:46,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2023-11-26 12:04:46,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:46,790 INFO L225 Difference]: With dead ends: 162 [2023-11-26 12:04:46,791 INFO L226 Difference]: Without dead ends: 115 [2023-11-26 12:04:46,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:46,801 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 32 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:46,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 270 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:46,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-26 12:04:46,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2023-11-26 12:04:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 87 states have (on average 1.5057471264367817) internal successors, (131), 92 states have internal predecessors, (131), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 12:04:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 165 transitions. [2023-11-26 12:04:46,818 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 165 transitions. Word has length 38 [2023-11-26 12:04:46,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:46,819 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 165 transitions. [2023-11-26 12:04:46,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:04:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2023-11-26 12:04:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-26 12:04:46,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:46,822 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:46,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:04:47,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:47,032 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)] === [2023-11-26 12:04:47,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:47,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1381881891, now seen corresponding path program 1 times [2023-11-26 12:04:47,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:47,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877853831] [2023-11-26 12:04:47,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:47,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 12:04:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 12:04:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:04:47,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:47,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877853831] [2023-11-26 12:04:47,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877853831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:47,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:47,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:47,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990335365] [2023-11-26 12:04:47,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:47,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:47,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:47,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:47,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:47,183 INFO L87 Difference]: Start difference. First operand 114 states and 165 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 12:04:47,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:47,228 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions. [2023-11-26 12:04:47,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:47,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2023-11-26 12:04:47,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:47,232 INFO L225 Difference]: With dead ends: 115 [2023-11-26 12:04:47,233 INFO L226 Difference]: Without dead ends: 114 [2023-11-26 12:04:47,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:47,235 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 6 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:47,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 290 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:47,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-26 12:04:47,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2023-11-26 12:04:47,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 87 states have (on average 1.4942528735632183) internal successors, (130), 91 states have internal predecessors, (130), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 12:04:47,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2023-11-26 12:04:47,257 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 44 [2023-11-26 12:04:47,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:47,258 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2023-11-26 12:04:47,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 12:04:47,258 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2023-11-26 12:04:47,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-26 12:04:47,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:47,261 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:47,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:04:47,262 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 12:04:47,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:47,262 INFO L85 PathProgramCache]: Analyzing trace with hash 111334596, now seen corresponding path program 1 times [2023-11-26 12:04:47,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:47,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834947044] [2023-11-26 12:04:47,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:47,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 12:04:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 12:04:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:04:47,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:47,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834947044] [2023-11-26 12:04:47,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834947044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:47,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:47,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:47,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625745103] [2023-11-26 12:04:47,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:47,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:47,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:47,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:47,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:47,362 INFO L87 Difference]: Start difference. First operand 113 states and 164 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 12:04:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:47,407 INFO L93 Difference]: Finished difference Result 114 states and 165 transitions. [2023-11-26 12:04:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:47,408 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 45 [2023-11-26 12:04:47,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:47,411 INFO L225 Difference]: With dead ends: 114 [2023-11-26 12:04:47,411 INFO L226 Difference]: Without dead ends: 113 [2023-11-26 12:04:47,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:47,413 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 39 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:47,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 258 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:47,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-26 12:04:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2023-11-26 12:04:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 90 states have internal predecessors, (129), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 12:04:47,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 163 transitions. [2023-11-26 12:04:47,450 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 163 transitions. Word has length 45 [2023-11-26 12:04:47,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:47,451 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 163 transitions. [2023-11-26 12:04:47,451 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 12:04:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-11-26 12:04:47,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-26 12:04:47,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:47,460 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-26 12:04:47,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:04:47,461 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 12:04:47,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:47,462 INFO L85 PathProgramCache]: Analyzing trace with hash 879735707, now seen corresponding path program 1 times [2023-11-26 12:04:47,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:47,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85914976] [2023-11-26 12:04:47,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:47,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 12:04:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:04:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 12:04:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:04:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-26 12:04:47,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:47,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85914976] [2023-11-26 12:04:47,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85914976] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:04:47,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333291647] [2023-11-26 12:04:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:47,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:47,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:47,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:47,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:04:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:47,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:04:47,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-26 12:04:47,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:47,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333291647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:47,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:04:47,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-26 12:04:47,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077382930] [2023-11-26 12:04:47,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:47,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:47,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:47,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:47,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:47,839 INFO L87 Difference]: Start difference. First operand 112 states and 163 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:04:47,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:47,878 INFO L93 Difference]: Finished difference Result 136 states and 193 transitions. [2023-11-26 12:04:47,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:47,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 48 [2023-11-26 12:04:47,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:47,883 INFO L225 Difference]: With dead ends: 136 [2023-11-26 12:04:47,883 INFO L226 Difference]: Without dead ends: 121 [2023-11-26 12:04:47,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:47,885 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 5 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:47,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 293 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:47,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-26 12:04:47,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2023-11-26 12:04:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 91 states have (on average 1.4725274725274726) internal successors, (134), 94 states have internal predecessors, (134), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:04:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2023-11-26 12:04:47,905 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 48 [2023-11-26 12:04:47,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:47,906 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2023-11-26 12:04:47,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:04:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2023-11-26 12:04:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-26 12:04:47,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:47,913 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-26 12:04:47,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:04:48,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 12:04:48,121 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 12:04:48,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:48,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1502003434, now seen corresponding path program 1 times [2023-11-26 12:04:48,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:48,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676608458] [2023-11-26 12:04:48,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:48,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 12:04:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:04:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 12:04:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:04:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-26 12:04:48,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:48,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676608458] [2023-11-26 12:04:48,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676608458] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:04:48,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829333170] [2023-11-26 12:04:48,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:48,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:48,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:48,224 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:48,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:04:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:04:48,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:48,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-26 12:04:48,361 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:48,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829333170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:48,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:04:48,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-26 12:04:48,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132619087] [2023-11-26 12:04:48,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:48,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:48,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:48,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:48,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:48,364 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:04:48,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:48,397 INFO L93 Difference]: Finished difference Result 117 states and 170 transitions. [2023-11-26 12:04:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:48,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2023-11-26 12:04:48,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:48,399 INFO L225 Difference]: With dead ends: 117 [2023-11-26 12:04:48,399 INFO L226 Difference]: Without dead ends: 116 [2023-11-26 12:04:48,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:48,401 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 8 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:48,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 280 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-26 12:04:48,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-11-26 12:04:48,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.4615384615384615) internal successors, (133), 93 states have internal predecessors, (133), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:04:48,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2023-11-26 12:04:48,414 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 49 [2023-11-26 12:04:48,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:48,415 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2023-11-26 12:04:48,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:04:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2023-11-26 12:04:48,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-26 12:04:48,418 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:48,418 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-26 12:04:48,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:04:48,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-26 12:04:48,624 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 12:04:48,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:48,625 INFO L85 PathProgramCache]: Analyzing trace with hash 511086494, now seen corresponding path program 1 times [2023-11-26 12:04:48,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:48,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964000083] [2023-11-26 12:04:48,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:48,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 12:04:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:04:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 12:04:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:04:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 12:04:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-26 12:04:48,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:48,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964000083] [2023-11-26 12:04:48,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964000083] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:04:48,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272009509] [2023-11-26 12:04:48,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:48,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:48,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:48,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:48,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:04:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:48,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:04:48,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-26 12:04:48,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:48,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272009509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:48,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:04:48,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-26 12:04:48,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337885372] [2023-11-26 12:04:48,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:48,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:48,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:48,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:48,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:48,875 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-26 12:04:48,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:48,897 INFO L93 Difference]: Finished difference Result 136 states and 190 transitions. [2023-11-26 12:04:48,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:48,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 54 [2023-11-26 12:04:48,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:48,899 INFO L225 Difference]: With dead ends: 136 [2023-11-26 12:04:48,900 INFO L226 Difference]: Without dead ends: 115 [2023-11-26 12:04:48,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:48,901 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 2 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:48,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 296 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:48,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-26 12:04:48,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2023-11-26 12:04:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 90 states have (on average 1.4444444444444444) internal successors, (130), 91 states have internal predecessors, (130), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:04:48,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 166 transitions. [2023-11-26 12:04:48,911 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 166 transitions. Word has length 54 [2023-11-26 12:04:48,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:48,911 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 166 transitions. [2023-11-26 12:04:48,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-26 12:04:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 166 transitions. [2023-11-26 12:04:48,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-26 12:04:48,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:48,915 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:48,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-26 12:04:49,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:49,121 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)] === [2023-11-26 12:04:49,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:49,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1932038253, now seen corresponding path program 1 times [2023-11-26 12:04:49,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:49,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759778958] [2023-11-26 12:04:49,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:49,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 12:04:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:04:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 12:04:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:04:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 12:04:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 12:04:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-26 12:04:49,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:49,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759778958] [2023-11-26 12:04:49,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759778958] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:04:49,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092546694] [2023-11-26 12:04:49,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:49,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:49,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:49,287 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:49,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:04:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:04:49,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-26 12:04:49,423 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:49,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092546694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:49,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:04:49,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-26 12:04:49,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440423605] [2023-11-26 12:04:49,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:49,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:49,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:49,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:49,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:49,426 INFO L87 Difference]: Start difference. First operand 114 states and 166 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2023-11-26 12:04:49,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:49,448 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2023-11-26 12:04:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:49,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 59 [2023-11-26 12:04:49,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:49,450 INFO L225 Difference]: With dead ends: 121 [2023-11-26 12:04:49,450 INFO L226 Difference]: Without dead ends: 120 [2023-11-26 12:04:49,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:49,452 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:49,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 299 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:49,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-26 12:04:49,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2023-11-26 12:04:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.425531914893617) internal successors, (134), 95 states have internal predecessors, (134), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 12:04:49,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 172 transitions. [2023-11-26 12:04:49,460 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 172 transitions. Word has length 59 [2023-11-26 12:04:49,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:49,460 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 172 transitions. [2023-11-26 12:04:49,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2023-11-26 12:04:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2023-11-26 12:04:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-26 12:04:49,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:49,462 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:49,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:04:49,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 12:04:49,668 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 12:04:49,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:49,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1122691627, now seen corresponding path program 1 times [2023-11-26 12:04:49,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:49,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148131077] [2023-11-26 12:04:49,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:49,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 12:04:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:04:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 12:04:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:04:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 12:04:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 12:04:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-26 12:04:49,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:49,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148131077] [2023-11-26 12:04:49,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148131077] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:04:49,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78172128] [2023-11-26 12:04:49,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:49,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:49,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:49,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:49,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:04:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:04:49,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-26 12:04:49,904 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:49,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78172128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:49,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:04:49,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-26 12:04:49,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855145979] [2023-11-26 12:04:49,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:49,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:49,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:49,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:49,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:49,909 INFO L87 Difference]: Start difference. First operand 119 states and 172 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2023-11-26 12:04:49,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:49,928 INFO L93 Difference]: Finished difference Result 121 states and 173 transitions. [2023-11-26 12:04:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:49,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 59 [2023-11-26 12:04:49,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:49,931 INFO L225 Difference]: With dead ends: 121 [2023-11-26 12:04:49,931 INFO L226 Difference]: Without dead ends: 113 [2023-11-26 12:04:49,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:49,932 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:49,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 297 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:49,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-26 12:04:49,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-11-26 12:04:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 90 states have internal predecessors, (128), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:04:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2023-11-26 12:04:49,943 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 59 [2023-11-26 12:04:49,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:49,944 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2023-11-26 12:04:49,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2023-11-26 12:04:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2023-11-26 12:04:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-26 12:04:49,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:49,945 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:49,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:04:50,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:50,157 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 12:04:50,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:50,158 INFO L85 PathProgramCache]: Analyzing trace with hash -236355979, now seen corresponding path program 1 times [2023-11-26 12:04:50,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:50,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322028696] [2023-11-26 12:04:50,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:50,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:04:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 12:04:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:04:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 12:04:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:04:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 12:04:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 12:04:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-26 12:04:50,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:50,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322028696] [2023-11-26 12:04:50,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322028696] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:04:50,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95204227] [2023-11-26 12:04:50,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:50,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:50,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:50,258 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:50,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 12:04:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:04:50,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-26 12:04:50,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:50,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95204227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:50,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:04:50,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-26 12:04:50,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070165039] [2023-11-26 12:04:50,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:50,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:50,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:50,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:50,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:50,413 INFO L87 Difference]: Start difference. First operand 113 states and 164 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-26 12:04:50,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:50,435 INFO L93 Difference]: Finished difference Result 113 states and 164 transitions. [2023-11-26 12:04:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:50,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 [2023-11-26 12:04:50,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:50,436 INFO L225 Difference]: With dead ends: 113 [2023-11-26 12:04:50,437 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 12:04:50,437 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 [2023-11-26 12:04:50,438 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 1 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:50,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 285 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:50,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 12:04:50,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 12:04:50,439 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) [2023-11-26 12:04:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 12:04:50,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2023-11-26 12:04:50,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:50,440 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:04:50,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-26 12:04:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:04:50,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 12:04:50,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-26 12:04:50,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-26 12:04:50,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-26 12:04:50,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-26 12:04:50,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-26 12:04:50,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-26 12:04:50,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-26 12:04:50,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-26 12:04:50,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:04:50,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:50,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 12:04:50,702 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 12:04:50,703 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 12:04:50,703 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 12:04:50,704 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 12:04:50,704 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2023-11-26 12:04:50,705 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true [2023-11-26 12:04:50,705 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 12:04:50,705 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 12:04:50,705 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-26 12:04:50,706 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) [2023-11-26 12:04:50,706 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-26 12:04:50,706 INFO L899 garLoopResultBuilder]: For program point L1588-2(lines 1588 1591) no Hoare annotation was computed. [2023-11-26 12:04:50,706 INFO L902 garLoopResultBuilder]: At program point L1588-4(lines 1588 1591) the Hoare annotation is: true [2023-11-26 12:04:50,706 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1580) no Hoare annotation was computed. [2023-11-26 12:04:50,707 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1626) no Hoare annotation was computed. [2023-11-26 12:04:50,707 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1643) no Hoare annotation was computed. [2023-11-26 12:04:50,707 INFO L902 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: true [2023-11-26 12:04:50,707 INFO L899 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2023-11-26 12:04:50,707 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,707 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,708 INFO L899 garLoopResultBuilder]: For program point L1590-3(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,708 INFO L899 garLoopResultBuilder]: For program point L1590-5(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,708 INFO L899 garLoopResultBuilder]: For program point L1590-7(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,708 INFO L899 garLoopResultBuilder]: For program point L1590-8(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,708 INFO L899 garLoopResultBuilder]: For program point L1590-10(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,708 INFO L899 garLoopResultBuilder]: For program point L1590-12(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,708 INFO L899 garLoopResultBuilder]: For program point L1590-14(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,709 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2023-11-26 12:04:50,709 INFO L899 garLoopResultBuilder]: For program point L1590-16(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,710 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-26 12:04:50,710 INFO L899 garLoopResultBuilder]: For program point L1590-18(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,710 INFO L899 garLoopResultBuilder]: For program point L1590-20(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,710 INFO L899 garLoopResultBuilder]: For program point L1590-22(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,711 INFO L899 garLoopResultBuilder]: For program point L1590-23(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,712 INFO L899 garLoopResultBuilder]: For program point L1590-25(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,712 INFO L899 garLoopResultBuilder]: For program point L1590-27(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,712 INFO L899 garLoopResultBuilder]: For program point L1590-29(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,712 INFO L899 garLoopResultBuilder]: For program point L1590-30(line 1590) no Hoare annotation was computed. [2023-11-26 12:04:50,712 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2023-11-26 12:04:50,712 INFO L899 garLoopResultBuilder]: For program point L1624-1(line 1624) no Hoare annotation was computed. [2023-11-26 12:04:50,713 INFO L899 garLoopResultBuilder]: For program point L1641(line 1641) no Hoare annotation was computed. [2023-11-26 12:04:50,713 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1628) no Hoare annotation was computed. [2023-11-26 12:04:50,713 INFO L899 garLoopResultBuilder]: For program point L1641-1(line 1641) no Hoare annotation was computed. [2023-11-26 12:04:50,713 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2023-11-26 12:04:50,713 INFO L899 garLoopResultBuilder]: For program point L1575-1(line 1575) no Hoare annotation was computed. [2023-11-26 12:04:50,714 INFO L902 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: true [2023-11-26 12:04:50,714 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) [2023-11-26 12:04:50,714 INFO L899 garLoopResultBuilder]: For program point L1658-1(line 1658) no Hoare annotation was computed. [2023-11-26 12:04:50,714 INFO L899 garLoopResultBuilder]: For program point L1592(line 1592) no Hoare annotation was computed. [2023-11-26 12:04:50,714 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-26 12:04:50,715 INFO L899 garLoopResultBuilder]: For program point L1592-1(lines 1592 1606) no Hoare annotation was computed. [2023-11-26 12:04:50,715 INFO L902 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: true [2023-11-26 12:04:50,715 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2023-11-26 12:04:50,716 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) [2023-11-26 12:04:50,717 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2023-11-26 12:04:50,717 INFO L899 garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed. [2023-11-26 12:04:50,718 INFO L902 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: true [2023-11-26 12:04:50,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 12:04:50,719 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1605) no Hoare annotation was computed. [2023-11-26 12:04:50,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-26 12:04:50,719 INFO L899 garLoopResultBuilder]: For program point L1562(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,719 INFO L899 garLoopResultBuilder]: For program point L1562-1(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,719 INFO L899 garLoopResultBuilder]: For program point L1562-3(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,720 INFO L899 garLoopResultBuilder]: For program point L1562-5(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,720 INFO L899 garLoopResultBuilder]: For program point L1562-7(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,720 INFO L899 garLoopResultBuilder]: For program point L1562-8(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,720 INFO L899 garLoopResultBuilder]: For program point L1562-10(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,720 INFO L899 garLoopResultBuilder]: For program point L1562-12(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,720 INFO L899 garLoopResultBuilder]: For program point L1562-14(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,721 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) [2023-11-26 12:04:50,721 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-26 12:04:50,721 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2023-11-26 12:04:50,721 INFO L899 garLoopResultBuilder]: For program point L1562-16(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,721 INFO L899 garLoopResultBuilder]: For program point L1579-1(line 1579) no Hoare annotation was computed. [2023-11-26 12:04:50,721 INFO L899 garLoopResultBuilder]: For program point L1612-2(lines 1612 1619) no Hoare annotation was computed. [2023-11-26 12:04:50,722 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2023-11-26 12:04:50,722 INFO L899 garLoopResultBuilder]: For program point L1562-18(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,722 INFO L895 garLoopResultBuilder]: At program point L1612-4(lines 1612 1619) the Hoare annotation is: (or (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (< |ULTIMATE.start_goodG2B1_~data~2#1| 1)) [2023-11-26 12:04:50,722 INFO L899 garLoopResultBuilder]: For program point L1562-20(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,722 INFO L899 garLoopResultBuilder]: For program point L1562-22(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,722 INFO L899 garLoopResultBuilder]: For program point L1562-23(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,722 INFO L899 garLoopResultBuilder]: For program point L1562-25(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,723 INFO L899 garLoopResultBuilder]: For program point L1562-27(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,723 INFO L899 garLoopResultBuilder]: For program point L1562-29(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,723 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1645) no Hoare annotation was computed. [2023-11-26 12:04:50,723 INFO L899 garLoopResultBuilder]: For program point L1562-30(line 1562) no Hoare annotation was computed. [2023-11-26 12:04:50,723 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1604) no Hoare annotation was computed. [2023-11-26 12:04:50,723 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2023-11-26 12:04:50,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-26 12:04:50,724 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-26 12:04:50,724 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1582) no Hoare annotation was computed. [2023-11-26 12:04:50,724 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) [2023-11-26 12:04:50,724 INFO L899 garLoopResultBuilder]: For program point L1614-1(line 1614) no Hoare annotation was computed. [2023-11-26 12:04:50,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-26 12:04:50,725 INFO L899 garLoopResultBuilder]: For program point L1598(line 1598) no Hoare annotation was computed. [2023-11-26 12:04:50,725 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2023-11-26 12:04:50,725 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 12:04:50,727 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2023-11-26 12:04:50,727 INFO L902 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: true [2023-11-26 12:04:50,727 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2023-11-26 12:04:50,727 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-26 12:04:50,727 INFO L895 garLoopResultBuilder]: At program point L1633(line 1633) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0) [2023-11-26 12:04:50,727 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-26 12:04:50,727 INFO L899 garLoopResultBuilder]: For program point L1633-2(lines 1633 1636) no Hoare annotation was computed. [2023-11-26 12:04:50,728 INFO L895 garLoopResultBuilder]: At program point L1633-4(lines 1633 1636) the Hoare annotation is: (or (< |ULTIMATE.start_goodG2B2_~data~3#1| 1) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2)) [2023-11-26 12:04:50,728 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1607) no Hoare annotation was computed. [2023-11-26 12:04:50,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1624) no Hoare annotation was computed. [2023-11-26 12:04:50,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1624) no Hoare annotation was computed. [2023-11-26 12:04:50,728 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-26 12:04:50,728 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1581) no Hoare annotation was computed. [2023-11-26 12:04:50,728 INFO L899 garLoopResultBuilder]: For program point L1603-1(line 1603) no Hoare annotation was computed. [2023-11-26 12:04:50,729 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1556 1583) no Hoare annotation was computed. [2023-11-26 12:04:50,729 INFO L899 garLoopResultBuilder]: For program point L1620(line 1620) no Hoare annotation was computed. [2023-11-26 12:04:50,729 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1620 1627) no Hoare annotation was computed. [2023-11-26 12:04:50,729 INFO L899 garLoopResultBuilder]: For program point L1637(line 1637) no Hoare annotation was computed. [2023-11-26 12:04:50,729 INFO L899 garLoopResultBuilder]: For program point L1637-1(lines 1637 1644) no Hoare annotation was computed. [2023-11-26 12:04:50,729 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2023-11-26 12:04:50,729 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true [2023-11-26 12:04:50,733 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:50,736 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:04:50,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:04:50 BoogieIcfgContainer [2023-11-26 12:04:50,742 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:04:50,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:04:50,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:04:50,743 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:04:50,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:44" (3/4) ... [2023-11-26 12:04:50,745 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:04:50,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 12:04:50,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-26 12:04:50,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 12:04:50,751 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-26 12:04:50,766 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-26 12:04:50,767 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-26 12:04:50,768 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 12:04:50,769 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:04:50,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:04:50,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:04:50,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:04:50,934 INFO L158 Benchmark]: Toolchain (without parser) took 8883.03ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 120.4MB in the beginning and 88.7MB in the end (delta: 31.7MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2023-11-26 12:04:50,935 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 85.4MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:04:50,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1597.10ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 101.5MB in the end (delta: 18.6MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-11-26 12:04:50,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.89ms. Allocated memory is still 151.0MB. Free memory was 101.5MB in the beginning and 97.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:04:50,936 INFO L158 Benchmark]: Boogie Preprocessor took 126.02ms. Allocated memory is still 151.0MB. Free memory was 97.2MB in the beginning and 94.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:04:50,937 INFO L158 Benchmark]: RCFGBuilder took 830.41ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 69.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 12:04:50,937 INFO L158 Benchmark]: TraceAbstraction took 5976.99ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 68.5MB in the beginning and 96.0MB in the end (delta: -27.5MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2023-11-26 12:04:50,938 INFO L158 Benchmark]: Witness Printer took 191.38ms. Allocated memory is still 239.1MB. Free memory was 96.0MB in the beginning and 88.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:04:50,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 85.4MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1597.10ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 101.5MB in the end (delta: 18.6MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.89ms. Allocated memory is still 151.0MB. Free memory was 101.5MB in the beginning and 97.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.02ms. Allocated memory is still 151.0MB. Free memory was 97.2MB in the beginning and 94.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 830.41ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 69.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5976.99ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 68.5MB in the beginning and 96.0MB in the end (delta: -27.5MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Witness Printer took 191.38ms. Allocated memory is still 239.1MB. Free memory was 96.0MB in the beginning and 88.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: 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, 118 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 3612 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1778 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1834 mSDtfsCounter, 192 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=10, InterpolantAutomatonStates: 37, 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, 12 MinimizatonAttempts, 11 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 68 PreInvPairs, 87 NumberOfFragments, 62 HoareAnnotationTreeSize, 68 FomulaSimplifications, 28 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 896 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 877 ConstructedInterpolants, 0 QuantifiedInterpolants, 1031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1298 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 289/308 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! [2023-11-26 12:04:50,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea592ba-7125-4b04-bba9-92190619295c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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