./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8f61a3d9362439b5f21eed7147f1613cc8d4d3e66351a52d1d8cad0a4a3751fe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:21:20,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:21:20,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 08:21:20,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:21:20,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:21:20,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:21:20,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:21:20,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:21:20,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:21:20,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:21:20,637 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:21:20,637 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:21:20,638 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:21:20,638 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 08:21:20,639 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:21:20,639 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:21:20,640 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 08:21:20,640 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 08:21:20,641 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:21:20,641 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 08:21:20,642 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 08:21:20,645 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 08:21:20,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:21:20,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:21:20,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 08:21:20,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:21:20,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:21:20,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:21:20,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:21:20,648 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 08:21:20,649 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 08:21:20,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:21:20,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:21:20,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:21:20,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:21:20,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:21:20,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:21:20,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:21:20,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:21:20,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:21:20,651 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 08:21:20,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 08:21:20,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:21:20,652 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:21:20,652 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:21:20,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:21:20,652 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f61a3d9362439b5f21eed7147f1613cc8d4d3e66351a52d1d8cad0a4a3751fe [2023-12-02 08:21:20,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:21:20,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:21:20,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:21:20,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:21:20,883 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:21:20,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_good.i [2023-12-02 08:21:23,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:21:23,912 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:21:23,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_good.i [2023-12-02 08:21:23,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/data/85851ca40/cf6f49b4ca154c9a9eea34184712d2fd/FLAG4d1520d2d [2023-12-02 08:21:23,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/data/85851ca40/cf6f49b4ca154c9a9eea34184712d2fd [2023-12-02 08:21:23,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:21:23,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:21:23,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:21:23,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:21:23,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:21:23,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:21:23" (1/1) ... [2023-12-02 08:21:23,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff1f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:23, skipping insertion in model container [2023-12-02 08:21:23,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:21:23" (1/1) ... [2023-12-02 08:21:24,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:21:24,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:21:24,823 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:21:24,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:21:25,047 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:21:25,047 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:21:25,048 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:21:25,048 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:21:25,055 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:21:25,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25 WrapperNode [2023-12-02 08:21:25,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:21:25,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:21:25,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:21:25,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:21:25,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,108 INFO L138 Inliner]: procedures = 504, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 135 [2023-12-02 08:21:25,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:21:25,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:21:25,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:21:25,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:21:25,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:21:25,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:21:25,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:21:25,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:21:25,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (1/1) ... [2023-12-02 08:21:25,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:21:25,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:21:25,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:21:25,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:21:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 08:21:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 08:21:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 08:21:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 08:21:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:21:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:21:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:21:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-12-02 08:21:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-12-02 08:21:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-12-02 08:21:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-12-02 08:21:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 08:21:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 08:21:25,350 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:21:25,353 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:21:25,552 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:21:25,601 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:21:25,601 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 08:21:25,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:25 BoogieIcfgContainer [2023-12-02 08:21:25,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:21:25,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:21:25,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:21:25,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:21:25,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:21:23" (1/3) ... [2023-12-02 08:21:25,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abd50e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:21:25, skipping insertion in model container [2023-12-02 08:21:25,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:25" (2/3) ... [2023-12-02 08:21:25,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abd50e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:21:25, skipping insertion in model container [2023-12-02 08:21:25,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:25" (3/3) ... [2023-12-02 08:21:25,610 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_08_good.i [2023-12-02 08:21:25,624 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:21:25,624 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-12-02 08:21:25,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:21:25,670 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=FINITE_AUTOMATA, 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;@7912f7bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:21:25,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-12-02 08:21:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 50 states have internal predecessors, (57), 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) [2023-12-02 08:21:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 08:21:25,681 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:21:25,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:21:25,682 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)] === [2023-12-02 08:21:25,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:21:25,687 INFO L85 PathProgramCache]: Analyzing trace with hash 739744122, now seen corresponding path program 1 times [2023-12-02 08:21:25,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:21:25,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603218429] [2023-12-02 08:21:25,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:25,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:21:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 08:21:26,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:21:26,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603218429] [2023-12-02 08:21:26,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603218429] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:21:26,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:21:26,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 08:21:26,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553718870] [2023-12-02 08:21:26,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:21:26,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 08:21:26,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:21:26,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 08:21:26,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 08:21:26,086 INFO L87 Difference]: Start difference. First operand has 73 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 50 states have internal predecessors, (57), 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 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 08:21:26,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:21:26,182 INFO L93 Difference]: Finished difference Result 73 states and 93 transitions. [2023-12-02 08:21:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 08:21:26,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 16 [2023-12-02 08:21:26,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:21:26,191 INFO L225 Difference]: With dead ends: 73 [2023-12-02 08:21:26,191 INFO L226 Difference]: Without dead ends: 66 [2023-12-02 08:21:26,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:21:26,197 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 10 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:21:26,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 08:21:26,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-12-02 08:21:26,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-12-02 08:21:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 45 states have internal predecessors, (51), 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) [2023-12-02 08:21:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2023-12-02 08:21:26,236 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 16 [2023-12-02 08:21:26,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:21:26,237 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2023-12-02 08:21:26,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 08:21:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2023-12-02 08:21:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 08:21:26,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:21:26,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:21:26,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 08:21:26,240 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 08:21:26,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:21:26,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1457231372, now seen corresponding path program 1 times [2023-12-02 08:21:26,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:21:26,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683169831] [2023-12-02 08:21:26,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:26,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:21:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 08:21:26,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:21:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683169831] [2023-12-02 08:21:26,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683169831] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:21:26,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:21:26,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 08:21:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206883623] [2023-12-02 08:21:26,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:21:26,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:21:26,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:21:26,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:21:26,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:21:26,311 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-12-02 08:21:26,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:21:26,341 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2023-12-02 08:21:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:21:26,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 17 [2023-12-02 08:21:26,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:21:26,343 INFO L225 Difference]: With dead ends: 66 [2023-12-02 08:21:26,343 INFO L226 Difference]: Without dead ends: 65 [2023-12-02 08:21:26,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:21:26,345 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:21:26,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 08:21:26,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-02 08:21:26,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-02 08:21:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 44 states have internal predecessors, (50), 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) [2023-12-02 08:21:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2023-12-02 08:21:26,358 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 17 [2023-12-02 08:21:26,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:21:26,358 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2023-12-02 08:21:26,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-12-02 08:21:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-12-02 08:21:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 08:21:26,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:21:26,360 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:21:26,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 08:21:26,361 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 08:21:26,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:21:26,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1161116839, now seen corresponding path program 1 times [2023-12-02 08:21:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:21:26,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983298462] [2023-12-02 08:21:26,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:21:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 08:21:26,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:21:26,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983298462] [2023-12-02 08:21:26,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983298462] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:21:26,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:21:26,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 08:21:26,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423013513] [2023-12-02 08:21:26,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:21:26,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 08:21:26,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:21:26,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 08:21:26,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 08:21:26,437 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 08:21:26,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:21:26,493 INFO L93 Difference]: Finished difference Result 113 states and 139 transitions. [2023-12-02 08:21:26,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 08:21:26,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 30 [2023-12-02 08:21:26,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:21:26,496 INFO L225 Difference]: With dead ends: 113 [2023-12-02 08:21:26,497 INFO L226 Difference]: Without dead ends: 63 [2023-12-02 08:21:26,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 08:21:26,502 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:21:26,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 08:21:26,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-02 08:21:26,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-12-02 08:21:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.263157894736842) internal successors, (48), 43 states have internal predecessors, (48), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-02 08:21:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2023-12-02 08:21:26,515 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 30 [2023-12-02 08:21:26,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:21:26,515 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2023-12-02 08:21:26,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 08:21:26,516 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-12-02 08:21:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 08:21:26,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:21:26,517 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-02 08:21:26,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 08:21:26,518 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)] === [2023-12-02 08:21:26,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:21:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash -393203778, now seen corresponding path program 1 times [2023-12-02 08:21:26,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:21:26,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198357614] [2023-12-02 08:21:26,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:26,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:21:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 08:21:26,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:21:26,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198357614] [2023-12-02 08:21:26,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198357614] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 08:21:26,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651808048] [2023-12-02 08:21:26,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:26,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:21:26,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:21:26,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:21:26,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 08:21:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:26,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 08:21:26,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:21:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 08:21:26,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:21:26,918 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 08:21:26,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651808048] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:21:26,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [665752157] [2023-12-02 08:21:26,937 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2023-12-02 08:21:26,937 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 08:21:26,941 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 08:21:26,946 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 08:21:26,946 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 08:21:28,344 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 69 for LOIs [2023-12-02 08:21:28,357 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 69 for LOIs [2023-12-02 08:21:28,370 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 80 for LOIs [2023-12-02 08:21:28,462 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 08:21:30,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [665752157] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:21:30,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 08:21:30,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [5, 5, 5] total 25 [2023-12-02 08:21:30,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553308480] [2023-12-02 08:21:30,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:21:30,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 08:21:30,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:21:30,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 08:21:30,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2023-12-02 08:21:30,765 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 08:21:31,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:21:31,325 INFO L93 Difference]: Finished difference Result 107 states and 129 transitions. [2023-12-02 08:21:31,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 08:21:31,325 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 31 [2023-12-02 08:21:31,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:21:31,326 INFO L225 Difference]: With dead ends: 107 [2023-12-02 08:21:31,326 INFO L226 Difference]: Without dead ends: 55 [2023-12-02 08:21:31,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2023-12-02 08:21:31,328 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 35 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 08:21:31,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 281 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 08:21:31,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-12-02 08:21:31,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-12-02 08:21:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 36 states have internal predecessors, (38), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 08:21:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2023-12-02 08:21:31,341 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 31 [2023-12-02 08:21:31,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:21:31,341 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2023-12-02 08:21:31,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 08:21:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2023-12-02 08:21:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 08:21:31,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:21:31,342 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:21:31,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 08:21:31,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:21:31,543 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 08:21:31,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:21:31,544 INFO L85 PathProgramCache]: Analyzing trace with hash -2030597976, now seen corresponding path program 1 times [2023-12-02 08:21:31,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:21:31,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69925451] [2023-12-02 08:21:31,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:31,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:21:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 08:21:31,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:21:31,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69925451] [2023-12-02 08:21:31,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69925451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:21:31,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:21:31,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:21:31,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607129439] [2023-12-02 08:21:31,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:21:31,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 08:21:31,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:21:31,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 08:21:31,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 08:21:31,625 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-12-02 08:21:31,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:21:31,672 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2023-12-02 08:21:31,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 08:21:31,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 46 [2023-12-02 08:21:31,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:21:31,674 INFO L225 Difference]: With dead ends: 63 [2023-12-02 08:21:31,674 INFO L226 Difference]: Without dead ends: 61 [2023-12-02 08:21:31,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 08:21:31,675 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 4 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:21:31,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 150 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 08:21:31,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-02 08:21:31,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2023-12-02 08:21:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.162162162162162) internal successors, (43), 40 states have internal predecessors, (43), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 08:21:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2023-12-02 08:21:31,695 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 46 [2023-12-02 08:21:31,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:21:31,696 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2023-12-02 08:21:31,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-12-02 08:21:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2023-12-02 08:21:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 08:21:31,698 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:21:31,698 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-12-02 08:21:31,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 08:21:31,698 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 08:21:31,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:21:31,699 INFO L85 PathProgramCache]: Analyzing trace with hash 23158227, now seen corresponding path program 1 times [2023-12-02 08:21:31,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:21:31,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182345676] [2023-12-02 08:21:31,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:31,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:21:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-02 08:21:31,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:21:31,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182345676] [2023-12-02 08:21:31,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182345676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:21:31,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:21:31,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 08:21:31,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281585267] [2023-12-02 08:21:31,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:21:31,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 08:21:31,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:21:31,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 08:21:31,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 08:21:31,771 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 08:21:31,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:21:31,804 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2023-12-02 08:21:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 08:21:31,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 50 [2023-12-02 08:21:31,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:21:31,806 INFO L225 Difference]: With dead ends: 78 [2023-12-02 08:21:31,806 INFO L226 Difference]: Without dead ends: 51 [2023-12-02 08:21:31,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 08:21:31,807 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:21:31,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 08:21:31,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-12-02 08:21:31,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-12-02 08:21:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.0625) internal successors, (34), 33 states have internal predecessors, (34), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 08:21:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2023-12-02 08:21:31,823 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 50 [2023-12-02 08:21:31,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:21:31,823 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2023-12-02 08:21:31,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 08:21:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2023-12-02 08:21:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 08:21:31,825 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:21:31,825 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 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] [2023-12-02 08:21:31,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 08:21:31,825 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 08:21:31,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:21:31,840 INFO L85 PathProgramCache]: Analyzing trace with hash 905356925, now seen corresponding path program 1 times [2023-12-02 08:21:31,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:21:31,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245546582] [2023-12-02 08:21:31,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:31,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:21:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 08:21:31,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:21:31,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245546582] [2023-12-02 08:21:31,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245546582] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 08:21:31,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129015531] [2023-12-02 08:21:31,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:31,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:21:31,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:21:31,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:21:31,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 08:21:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:32,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:21:32,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:21:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 08:21:32,034 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:21:32,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129015531] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:21:32,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 08:21:32,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-12-02 08:21:32,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745644738] [2023-12-02 08:21:32,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:21:32,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 08:21:32,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:21:32,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 08:21:32,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:21:32,036 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 08:21:32,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:21:32,072 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2023-12-02 08:21:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 08:21:32,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 56 [2023-12-02 08:21:32,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:21:32,074 INFO L225 Difference]: With dead ends: 63 [2023-12-02 08:21:32,074 INFO L226 Difference]: Without dead ends: 51 [2023-12-02 08:21:32,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:21:32,075 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:21:32,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 08:21:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-12-02 08:21:32,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-12-02 08:21:32,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.03125) internal successors, (33), 33 states have internal predecessors, (33), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 08:21:32,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2023-12-02 08:21:32,091 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 56 [2023-12-02 08:21:32,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:21:32,091 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2023-12-02 08:21:32,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 08:21:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2023-12-02 08:21:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 08:21:32,093 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:21:32,093 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 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] [2023-12-02 08:21:32,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 08:21:32,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:21:32,296 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 08:21:32,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:21:32,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1615891016, now seen corresponding path program 1 times [2023-12-02 08:21:32,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:21:32,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089609096] [2023-12-02 08:21:32,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:32,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:21:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 08:21:32,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:21:32,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089609096] [2023-12-02 08:21:32,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089609096] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 08:21:32,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87344035] [2023-12-02 08:21:32,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:21:32,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:21:32,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:21:32,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:21:32,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 08:21:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:21:32,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 08:21:32,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:21:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 08:21:32,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:21:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 08:21:32,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87344035] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:21:32,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1242087128] [2023-12-02 08:21:32,659 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2023-12-02 08:21:32,659 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 08:21:32,659 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 08:21:32,660 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 08:21:32,660 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 08:21:34,147 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 69 for LOIs [2023-12-02 08:21:34,159 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 71 for LOIs [2023-12-02 08:21:34,173 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 69 for LOIs [2023-12-02 08:21:34,185 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 31 for LOIs [2023-12-02 08:21:34,191 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 08:21:38,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1242087128] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:21:38,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 08:21:38,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [5, 5, 5] total 41 [2023-12-02 08:21:38,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718574619] [2023-12-02 08:21:38,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:21:38,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 08:21:38,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:21:38,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 08:21:38,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1575, Unknown=0, NotChecked=0, Total=1722 [2023-12-02 08:21:38,269 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 32 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 08:21:39,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:21:39,266 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2023-12-02 08:21:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 08:21:39,266 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 62 [2023-12-02 08:21:39,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:21:39,267 INFO L225 Difference]: With dead ends: 51 [2023-12-02 08:21:39,267 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 08:21:39,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=157, Invalid=1735, Unknown=0, NotChecked=0, Total=1892 [2023-12-02 08:21:39,269 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 08:21:39,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 121 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 08:21:39,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 08:21:39,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 08:21:39,270 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) [2023-12-02 08:21:39,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 08:21:39,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2023-12-02 08:21:39,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:21:39,270 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 08:21:39,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 08:21:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 08:21:39,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 08:21:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-12-02 08:21:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-12-02 08:21:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-12-02 08:21:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-12-02 08:21:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-12-02 08:21:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-12-02 08:21:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-12-02 08:21:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-12-02 08:21:39,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 08:21:39,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-02 08:21:39,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 08:21:40,403 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-12-02 08:21:40,403 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-12-02 08:21:40,403 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2023-12-02 08:21:40,403 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true [2023-12-02 08:21:40,403 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-12-02 08:21:40,403 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-12-02 08:21:40,403 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1594) no Hoare annotation was computed. [2023-12-02 08:21:40,404 INFO L895 garLoopResultBuilder]: At program point L1629(line 1629) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= |ULTIMATE.start_goodG2B2_~data~3#1| 0) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,404 INFO L895 garLoopResultBuilder]: At program point L1596(line 1596) the Hoare annotation is: false [2023-12-02 08:21:40,404 INFO L899 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2023-12-02 08:21:40,404 INFO L899 garLoopResultBuilder]: For program point L1596-1(line 1596) no Hoare annotation was computed. [2023-12-02 08:21:40,405 INFO L895 garLoopResultBuilder]: At program point L1629-4(lines 1629 1632) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,405 INFO L902 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: true [2023-12-02 08:21:40,406 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= 3 |ULTIMATE.start_goodG2B1_~data~2#1|) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= |ULTIMATE.start_goodG2B1_~result~2#1| 3) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,406 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2023-12-02 08:21:40,406 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2023-12-02 08:21:40,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-12-02 08:21:40,406 INFO L902 garLoopResultBuilder]: At program point L1638(line 1638) the Hoare annotation is: true [2023-12-02 08:21:40,406 INFO L899 garLoopResultBuilder]: For program point L1638-1(line 1638) no Hoare annotation was computed. [2023-12-02 08:21:40,406 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2023-12-02 08:21:40,406 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2023-12-02 08:21:40,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2023-12-02 08:21:40,406 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-12-02 08:21:40,407 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1580) no Hoare annotation was computed. [2023-12-02 08:21:40,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2023-12-02 08:21:40,407 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-12-02 08:21:40,407 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 1590 1602) no Hoare annotation was computed. [2023-12-02 08:21:40,407 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1603) no Hoare annotation was computed. [2023-12-02 08:21:40,407 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 08:21:40,407 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: false [2023-12-02 08:21:40,407 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-12-02 08:21:40,407 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2023-12-02 08:21:40,407 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-12-02 08:21:40,408 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-12-02 08:21:40,408 INFO L899 garLoopResultBuilder]: For program point L1616-1(lines 1616 1623) no Hoare annotation was computed. [2023-12-02 08:21:40,408 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,408 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2023-12-02 08:21:40,408 INFO L899 garLoopResultBuilder]: For program point L1608-2(lines 1608 1615) no Hoare annotation was computed. [2023-12-02 08:21:40,409 INFO L895 garLoopResultBuilder]: At program point L1608-4(lines 1608 1615) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,409 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-12-02 08:21:40,409 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= |ULTIMATE.start_goodB2G2_#t~nondet106#1.base| 4) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= |ULTIMATE.start_goodB2G2_#t~nondet106#1.offset| 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,409 INFO L899 garLoopResultBuilder]: For program point L1633-1(lines 1633 1640) no Hoare annotation was computed. [2023-12-02 08:21:40,409 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-12-02 08:21:40,410 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1641) no Hoare annotation was computed. [2023-12-02 08:21:40,410 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1601) no Hoare annotation was computed. [2023-12-02 08:21:40,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1619) no Hoare annotation was computed. [2023-12-02 08:21:40,410 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= |ULTIMATE.start_goodB2G1_~data~0#1| 0) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,410 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2023-12-02 08:21:40,410 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,410 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: false [2023-12-02 08:21:40,411 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-12-02 08:21:40,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 08:21:40,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1619) no Hoare annotation was computed. [2023-12-02 08:21:40,411 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2023-12-02 08:21:40,411 INFO L899 garLoopResultBuilder]: For program point L1594-1(line 1594) no Hoare annotation was computed. [2023-12-02 08:21:40,411 INFO L895 garLoopResultBuilder]: At program point L1652(line 1652) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= |ULTIMATE.start_main_#t~nondet115#1.offset| 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= |ULTIMATE.start_main_#t~nondet115#1.base| 6) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,411 INFO L899 garLoopResultBuilder]: For program point L1652-1(line 1652) no Hoare annotation was computed. [2023-12-02 08:21:40,411 INFO L899 garLoopResultBuilder]: For program point L1619(line 1619) no Hoare annotation was computed. [2023-12-02 08:21:40,411 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,411 INFO L899 garLoopResultBuilder]: For program point L1619-1(line 1619) no Hoare annotation was computed. [2023-12-02 08:21:40,411 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L895 garLoopResultBuilder]: At program point L1586-4(lines 1586 1589) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,412 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= |ULTIMATE.start_goodB2G1_#t~nondet102#1.offset| 0) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 3 |ULTIMATE.start_goodB2G1_#t~nondet102#1.base|) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-12-02 08:21:40,412 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1579) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L899 garLoopResultBuilder]: For program point L1570-2(lines 1556 1581) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1594) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1624) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2023-12-02 08:21:40,412 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true [2023-12-02 08:21:40,415 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:21:40,416 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 08:21:40,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:21:40 BoogieIcfgContainer [2023-12-02 08:21:40,421 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 08:21:40,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 08:21:40,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 08:21:40,422 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 08:21:40,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:25" (3/4) ... [2023-12-02 08:21:40,424 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 08:21:40,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 08:21:40,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-12-02 08:21:40,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 08:21:40,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-12-02 08:21:40,433 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-12-02 08:21:40,433 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 08:21:40,434 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 08:21:40,434 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 08:21:40,524 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 08:21:40,524 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 08:21:40,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 08:21:40,525 INFO L158 Benchmark]: Toolchain (without parser) took 16571.97ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 126.2MB in the beginning and 152.4MB in the end (delta: -26.2MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. [2023-12-02 08:21:40,526 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 08:21:40,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1101.53ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 117.2MB in the end (delta: 8.6MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2023-12-02 08:21:40,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.72ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 113.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 08:21:40,527 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 112.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 08:21:40,527 INFO L158 Benchmark]: RCFGBuilder took 467.85ms. Allocated memory is still 165.7MB. Free memory was 112.2MB in the beginning and 122.3MB in the end (delta: -10.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 08:21:40,527 INFO L158 Benchmark]: TraceAbstraction took 14816.49ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 121.4MB in the beginning and 158.8MB in the end (delta: -37.4MB). Peak memory consumption was 197.8MB. Max. memory is 16.1GB. [2023-12-02 08:21:40,528 INFO L158 Benchmark]: Witness Printer took 103.01ms. Allocated memory is still 346.0MB. Free memory was 158.8MB in the beginning and 152.4MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 08:21:40,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1101.53ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 117.2MB in the end (delta: 8.6MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.72ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 113.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.43ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 112.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.85ms. Allocated memory is still 165.7MB. Free memory was 112.2MB in the beginning and 122.3MB in the end (delta: -10.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 14816.49ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 121.4MB in the beginning and 158.8MB in the end (delta: -37.4MB). Peak memory consumption was 197.8MB. Max. memory is 16.1GB. * Witness Printer took 103.01ms. Allocated memory is still 346.0MB. Free memory was 158.8MB in the beginning and 152.4MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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, 73 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 14.8s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 1453 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1030 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1549 IncrementalHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 423 mSDtfsCounter, 1549 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 365 GetRequests, 282 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 61 PreInvPairs, 69 NumberOfFragments, 1564 HoareAnnotationTreeSize, 61 FomulaSimplifications, 146 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 1401 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 537 ConstructedInterpolants, 0 QuantifiedInterpolants, 681 SizeOfPredicates, 3 NumberOfNonLiveVariables, 583 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 260/268 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: OVERALL_TIME: 3.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 82, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 52, TOOLS_POST_TIME: 0.7s, TOOLS_POST_CALL_APPLICATIONS: 54, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME: 0.8s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 142, TOOLS_QUANTIFIERELIM_TIME: 2.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 200, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 47, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 82, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 2106, DAG_COMPRESSION_RETAINED_NODES: 209, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 08:21:40,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9843eb-23f0-4381-8bc0-da4dd755a8f9/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE