./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:22:38,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:22:38,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 10:22:38,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:22:38,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:22:38,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:22:38,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:22:38,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:22:38,565 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:22:38,565 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:22:38,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:22:38,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:22:38,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:22:38,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:22:38,566 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:22:38,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:22:38,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:22:38,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:22:38,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:22:38,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:22:38,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:22:38,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:22:38,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:22:38,567 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:22:38,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:22:38,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:22:38,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:22:38,568 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:22:38,569 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:22:38,569 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:22:38,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:22:38,569 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2024-12-02 10:22:38,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:22:38,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:22:38,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:22:38,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:22:38,814 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:22:38,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2024-12-02 10:22:41,403 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/data/1fbd748d2/1feaad2d0f5648ea84769adb23531f42/FLAGab188c318 [2024-12-02 10:22:41,708 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:22:41,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2024-12-02 10:22:41,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/data/1fbd748d2/1feaad2d0f5648ea84769adb23531f42/FLAGab188c318 [2024-12-02 10:22:41,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/data/1fbd748d2/1feaad2d0f5648ea84769adb23531f42 [2024-12-02 10:22:41,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:22:41,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:22:41,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:22:41,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:22:41,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:22:41,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:41" (1/1) ... [2024-12-02 10:22:41,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713ea674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:41, skipping insertion in model container [2024-12-02 10:22:41,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:41" (1/1) ... [2024-12-02 10:22:42,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:22:42,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:22:42,406 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:22:42,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:22:42,524 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:22:42,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42 WrapperNode [2024-12-02 10:22:42,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:22:42,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:22:42,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:22:42,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:22:42,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,595 INFO L138 Inliner]: procedures = 176, calls = 272, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1394 [2024-12-02 10:22:42,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:22:42,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:22:42,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:22:42,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:22:42,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,674 INFO L175 MemorySlicer]: Split 253 memory accesses to 3 slices as follows [2, 217, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-12-02 10:22:42,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:22:42,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:22:42,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:22:42,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:22:42,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (1/1) ... [2024-12-02 10:22:42,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:22:42,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:22:42,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:22:42,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:22:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-12-02 10:22:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-12-02 10:22:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:22:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:22:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:22:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:22:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:22:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:22:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 10:22:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 10:22:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 10:22:42,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 10:22:42,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 10:22:42,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 10:22:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:22:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:22:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:22:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:22:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:22:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:22:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:22:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:22:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:22:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:22:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:22:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:22:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:22:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:22:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:22:43,004 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:22:43,006 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:22:44,602 INFO L? ?]: Removed 319 outVars from TransFormulas that were not future-live. [2024-12-02 10:22:44,602 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:22:44,639 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:22:44,639 INFO L312 CfgBuilder]: Removed 36 assume(true) statements. [2024-12-02 10:22:44,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:44 BoogieIcfgContainer [2024-12-02 10:22:44,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:22:44,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:22:44,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:22:44,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:22:44,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:22:41" (1/3) ... [2024-12-02 10:22:44,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e02017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:22:44, skipping insertion in model container [2024-12-02 10:22:44,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:42" (2/3) ... [2024-12-02 10:22:44,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e02017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:22:44, skipping insertion in model container [2024-12-02 10:22:44,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:44" (3/3) ... [2024-12-02 10:22:44,650 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2024-12-02 10:22:44,667 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:22:44,669 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_test7-1.i that has 5 procedures, 423 locations, 1 initial locations, 38 loop locations, and 6 error locations. [2024-12-02 10:22:44,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:22:44,738 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49a3ce60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:22:44,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-12-02 10:22:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 415 states, 401 states have (on average 1.6184538653366582) internal successors, (649), 408 states have internal predecessors, (649), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 10:22:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-02 10:22:44,750 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:44,750 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:44,751 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:44,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:44,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1000487724, now seen corresponding path program 1 times [2024-12-02 10:22:44,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:44,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798976130] [2024-12-02 10:22:44,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:44,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:22:44,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989062481] [2024-12-02 10:22:44,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:44,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:22:44,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:22:44,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:22:44,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:22:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:45,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:22:45,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:22:45,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-02 10:22:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:22:45,117 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:22:45,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:45,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798976130] [2024-12-02 10:22:45,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 10:22:45,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989062481] [2024-12-02 10:22:45,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989062481] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:45,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:45,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:22:45,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96148020] [2024-12-02 10:22:45,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:45,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:22:45,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:45,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:22:45,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:22:45,143 INFO L87 Difference]: Start difference. First operand has 415 states, 401 states have (on average 1.6184538653366582) internal successors, (649), 408 states have internal predecessors, (649), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:45,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:45,360 INFO L93 Difference]: Finished difference Result 1226 states and 1961 transitions. [2024-12-02 10:22:45,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:22:45,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-12-02 10:22:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:45,373 INFO L225 Difference]: With dead ends: 1226 [2024-12-02 10:22:45,373 INFO L226 Difference]: Without dead ends: 799 [2024-12-02 10:22:45,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:22:45,380 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 562 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:45,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 1766 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:22:45,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-12-02 10:22:45,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 409. [2024-12-02 10:22:45,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 399 states have (on average 1.4461152882205515) internal successors, (577), 404 states have internal predecessors, (577), 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) [2024-12-02 10:22:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 583 transitions. [2024-12-02 10:22:45,439 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 583 transitions. Word has length 8 [2024-12-02 10:22:45,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:45,440 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 583 transitions. [2024-12-02 10:22:45,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 583 transitions. [2024-12-02 10:22:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-02 10:22:45,441 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:45,441 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:45,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:22:45,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:22:45,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:45,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:45,642 INFO L85 PathProgramCache]: Analyzing trace with hash 950348457, now seen corresponding path program 1 times [2024-12-02 10:22:45,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:45,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198640435] [2024-12-02 10:22:45,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:45,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:22:45,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738704543] [2024-12-02 10:22:45,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:45,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:22:45,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:22:45,672 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:22:45,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:22:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:45,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:22:45,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:22:45,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-02 10:22:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:22:45,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:22:45,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:45,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198640435] [2024-12-02 10:22:45,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 10:22:45,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738704543] [2024-12-02 10:22:45,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738704543] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:45,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:45,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:22:45,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725272946] [2024-12-02 10:22:45,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:45,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:22:45,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:45,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:22:45,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:22:45,853 INFO L87 Difference]: Start difference. First operand 409 states and 583 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:46,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:46,006 INFO L93 Difference]: Finished difference Result 799 states and 1145 transitions. [2024-12-02 10:22:46,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:22:46,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-12-02 10:22:46,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:46,012 INFO L225 Difference]: With dead ends: 799 [2024-12-02 10:22:46,012 INFO L226 Difference]: Without dead ends: 798 [2024-12-02 10:22:46,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:22:46,013 INFO L435 NwaCegarLoop]: 598 mSDtfsCounter, 555 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1744 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:46,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1744 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:22:46,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-12-02 10:22:46,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 410. [2024-12-02 10:22:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 400 states have (on average 1.445) internal successors, (578), 405 states have internal predecessors, (578), 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) [2024-12-02 10:22:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 584 transitions. [2024-12-02 10:22:46,037 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 584 transitions. Word has length 9 [2024-12-02 10:22:46,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:46,038 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 584 transitions. [2024-12-02 10:22:46,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 584 transitions. [2024-12-02 10:22:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-02 10:22:46,041 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:46,041 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:46,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:22:46,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 10:22:46,242 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:46,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1314313206, now seen corresponding path program 1 times [2024-12-02 10:22:46,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:46,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688137250] [2024-12-02 10:22:46,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:46,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:22:46,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:46,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688137250] [2024-12-02 10:22:46,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688137250] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:46,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:46,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:22:46,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649683545] [2024-12-02 10:22:46,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:46,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:22:46,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:46,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:22:46,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:22:46,627 INFO L87 Difference]: Start difference. First operand 410 states and 584 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:46,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:46,750 INFO L93 Difference]: Finished difference Result 987 states and 1418 transitions. [2024-12-02 10:22:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:22:46,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-12-02 10:22:46,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:46,755 INFO L225 Difference]: With dead ends: 987 [2024-12-02 10:22:46,755 INFO L226 Difference]: Without dead ends: 797 [2024-12-02 10:22:46,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:22:46,756 INFO L435 NwaCegarLoop]: 600 mSDtfsCounter, 558 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:46,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1749 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:22:46,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-12-02 10:22:46,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 410. [2024-12-02 10:22:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 400 states have (on average 1.4425) internal successors, (577), 405 states have internal predecessors, (577), 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) [2024-12-02 10:22:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 583 transitions. [2024-12-02 10:22:46,775 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 583 transitions. Word has length 71 [2024-12-02 10:22:46,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:46,776 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 583 transitions. [2024-12-02 10:22:46,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:46,776 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 583 transitions. [2024-12-02 10:22:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 10:22:46,779 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:46,779 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:46,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:22:46,779 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:46,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:46,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1007752753, now seen corresponding path program 1 times [2024-12-02 10:22:46,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:46,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702251302] [2024-12-02 10:22:46,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:46,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:22:47,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:47,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702251302] [2024-12-02 10:22:47,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702251302] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:47,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:47,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:22:47,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227279810] [2024-12-02 10:22:47,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:47,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:22:47,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:47,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:22:47,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:22:47,055 INFO L87 Difference]: Start difference. First operand 410 states and 583 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:47,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:47,143 INFO L93 Difference]: Finished difference Result 814 states and 1160 transitions. [2024-12-02 10:22:47,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:22:47,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-12-02 10:22:47,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:47,146 INFO L225 Difference]: With dead ends: 814 [2024-12-02 10:22:47,146 INFO L226 Difference]: Without dead ends: 413 [2024-12-02 10:22:47,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:22:47,148 INFO L435 NwaCegarLoop]: 548 mSDtfsCounter, 106 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:47,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1550 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:22:47,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-12-02 10:22:47,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 410. [2024-12-02 10:22:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 400 states have (on average 1.425) internal successors, (570), 405 states have internal predecessors, (570), 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) [2024-12-02 10:22:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 576 transitions. [2024-12-02 10:22:47,165 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 576 transitions. Word has length 82 [2024-12-02 10:22:47,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:47,165 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 576 transitions. [2024-12-02 10:22:47,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:47,165 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 576 transitions. [2024-12-02 10:22:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 10:22:47,167 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:47,167 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:47,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:22:47,167 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:47,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:47,168 INFO L85 PathProgramCache]: Analyzing trace with hash 313503171, now seen corresponding path program 1 times [2024-12-02 10:22:47,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:47,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789974310] [2024-12-02 10:22:47,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:47,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:22:47,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:47,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789974310] [2024-12-02 10:22:47,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789974310] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:47,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:47,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:22:47,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757620351] [2024-12-02 10:22:47,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:47,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:22:47,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:47,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:22:47,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:22:47,391 INFO L87 Difference]: Start difference. First operand 410 states and 576 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:47,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:47,503 INFO L93 Difference]: Finished difference Result 1105 states and 1574 transitions. [2024-12-02 10:22:47,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:22:47,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-12-02 10:22:47,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:47,507 INFO L225 Difference]: With dead ends: 1105 [2024-12-02 10:22:47,507 INFO L226 Difference]: Without dead ends: 704 [2024-12-02 10:22:47,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:22:47,509 INFO L435 NwaCegarLoop]: 755 mSDtfsCounter, 374 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:47,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1301 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:22:47,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-12-02 10:22:47,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 701. [2024-12-02 10:22:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 691 states have (on average 1.4442836468885674) internal successors, (998), 696 states have internal predecessors, (998), 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) [2024-12-02 10:22:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1004 transitions. [2024-12-02 10:22:47,532 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1004 transitions. Word has length 82 [2024-12-02 10:22:47,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:47,533 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 1004 transitions. [2024-12-02 10:22:47,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:22:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1004 transitions. [2024-12-02 10:22:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 10:22:47,534 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:47,534 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:47,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:22:47,534 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:47,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:47,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1744592097, now seen corresponding path program 1 times [2024-12-02 10:22:47,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:47,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761510609] [2024-12-02 10:22:47,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:47,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 10:22:47,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:47,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761510609] [2024-12-02 10:22:47,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761510609] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:47,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:47,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:22:47,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369629249] [2024-12-02 10:22:47,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:47,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:22:47,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:47,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:22:47,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:22:47,970 INFO L87 Difference]: Start difference. First operand 701 states and 1004 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 10:22:48,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:48,093 INFO L93 Difference]: Finished difference Result 991 states and 1411 transitions. [2024-12-02 10:22:48,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:22:48,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 97 [2024-12-02 10:22:48,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:48,098 INFO L225 Difference]: With dead ends: 991 [2024-12-02 10:22:48,098 INFO L226 Difference]: Without dead ends: 989 [2024-12-02 10:22:48,099 INFO L434 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 [2024-12-02 10:22:48,099 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 464 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:48,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 1727 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:22:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-12-02 10:22:48,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 767. [2024-12-02 10:22:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 754 states have (on average 1.429708222811671) internal successors, (1078), 759 states have internal predecessors, (1078), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 10:22:48,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1090 transitions. [2024-12-02 10:22:48,129 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1090 transitions. Word has length 97 [2024-12-02 10:22:48,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:48,129 INFO L471 AbstractCegarLoop]: Abstraction has 767 states and 1090 transitions. [2024-12-02 10:22:48,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 10:22:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1090 transitions. [2024-12-02 10:22:48,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:22:48,131 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:48,131 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:48,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:22:48,131 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:48,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:48,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1257941110, now seen corresponding path program 1 times [2024-12-02 10:22:48,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:48,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970888636] [2024-12-02 10:22:48,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:48,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 10:22:48,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:48,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970888636] [2024-12-02 10:22:48,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970888636] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:22:48,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586098948] [2024-12-02 10:22:48,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:48,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:22:48,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:22:48,614 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:22:48,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:22:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:48,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 10:22:48,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:22:48,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-02 10:22:48,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-02 10:22:49,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-02 10:22:49,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 10:22:49,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-12-02 10:22:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 10:22:49,865 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:22:49,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586098948] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:49,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:22:49,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-12-02 10:22:49,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68984182] [2024-12-02 10:22:49,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:49,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 10:22:49,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:49,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 10:22:49,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:22:49,867 INFO L87 Difference]: Start difference. First operand 767 states and 1090 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 10:22:53,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:22:54,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:54,877 INFO L93 Difference]: Finished difference Result 1718 states and 2441 transitions. [2024-12-02 10:22:54,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 10:22:54,877 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-12-02 10:22:54,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:54,881 INFO L225 Difference]: With dead ends: 1718 [2024-12-02 10:22:54,882 INFO L226 Difference]: Without dead ends: 1041 [2024-12-02 10:22:54,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-12-02 10:22:54,883 INFO L435 NwaCegarLoop]: 547 mSDtfsCounter, 839 mSDsluCounter, 3280 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:54,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 3827 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 10:22:54,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2024-12-02 10:22:54,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 797. [2024-12-02 10:22:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 784 states have (on average 1.4221938775510203) internal successors, (1115), 789 states have internal predecessors, (1115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 10:22:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1127 transitions. [2024-12-02 10:22:54,912 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1127 transitions. Word has length 104 [2024-12-02 10:22:54,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:54,912 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1127 transitions. [2024-12-02 10:22:54,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 10:22:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1127 transitions. [2024-12-02 10:22:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:22:54,914 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:54,914 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:54,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:22:55,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 10:22:55,114 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:55,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash -370718264, now seen corresponding path program 1 times [2024-12-02 10:22:55,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:55,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145673799] [2024-12-02 10:22:55,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:55,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 10:22:55,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:55,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145673799] [2024-12-02 10:22:55,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145673799] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:55,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:55,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:22:55,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468220343] [2024-12-02 10:22:55,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:55,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:22:55,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:55,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:22:55,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:22:55,279 INFO L87 Difference]: Start difference. First operand 797 states and 1127 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 10:22:55,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:55,327 INFO L93 Difference]: Finished difference Result 1509 states and 2143 transitions. [2024-12-02 10:22:55,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:22:55,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-12-02 10:22:55,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:55,331 INFO L225 Difference]: With dead ends: 1509 [2024-12-02 10:22:55,331 INFO L226 Difference]: Without dead ends: 813 [2024-12-02 10:22:55,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:22:55,333 INFO L435 NwaCegarLoop]: 563 mSDtfsCounter, 2 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:55,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1104 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:22:55,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-12-02 10:22:55,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 811. [2024-12-02 10:22:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 798 states have (on average 1.412280701754386) internal successors, (1127), 803 states have internal predecessors, (1127), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 10:22:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1139 transitions. [2024-12-02 10:22:55,359 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1139 transitions. Word has length 104 [2024-12-02 10:22:55,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:55,360 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1139 transitions. [2024-12-02 10:22:55,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 10:22:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1139 transitions. [2024-12-02 10:22:55,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:22:55,361 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:55,361 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:55,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:22:55,361 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:55,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:55,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1846912134, now seen corresponding path program 1 times [2024-12-02 10:22:55,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:55,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803043232] [2024-12-02 10:22:55,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:55,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:55,527 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 10:22:55,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:55,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803043232] [2024-12-02 10:22:55,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803043232] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:55,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:55,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:22:55,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910963443] [2024-12-02 10:22:55,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:55,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:22:55,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:55,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:22:55,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:22:55,529 INFO L87 Difference]: Start difference. First operand 811 states and 1139 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 10:22:55,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:55,580 INFO L93 Difference]: Finished difference Result 1449 states and 2037 transitions. [2024-12-02 10:22:55,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:22:55,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-12-02 10:22:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:55,583 INFO L225 Difference]: With dead ends: 1449 [2024-12-02 10:22:55,583 INFO L226 Difference]: Without dead ends: 669 [2024-12-02 10:22:55,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:22:55,584 INFO L435 NwaCegarLoop]: 472 mSDtfsCounter, 9 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:55,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1397 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:22:55,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-12-02 10:22:55,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2024-12-02 10:22:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 656 states have (on average 1.3948170731707317) internal successors, (915), 661 states have internal predecessors, (915), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 10:22:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 927 transitions. [2024-12-02 10:22:55,599 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 927 transitions. Word has length 104 [2024-12-02 10:22:55,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:55,599 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 927 transitions. [2024-12-02 10:22:55,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 10:22:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 927 transitions. [2024-12-02 10:22:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 10:22:55,600 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:55,600 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:55,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:22:55,600 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 10:22:55,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:55,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1094994667, now seen corresponding path program 1 times [2024-12-02 10:22:55,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:55,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267839096] [2024-12-02 10:22:55,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:55,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 10:22:55,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:55,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267839096] [2024-12-02 10:22:55,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267839096] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:22:55,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588786720] [2024-12-02 10:22:55,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:55,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:22:55,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:22:55,875 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:22:55,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df32e7fd-2787-44ca-b4df-0122abcf28a9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:22:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:56,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 10:22:56,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:22,249 WARN L286 SmtUtils]: Spent 9.25s on a formula simplification. DAG size of input: 30 DAG size of output: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:24:38,593 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:24:50,624 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:24:59,627 WARN L286 SmtUtils]: Spent 9.00s on a formula simplification. DAG size of input: 31 DAG size of output: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:25:05,522 WARN L286 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 18 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:25:17,539 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:25:37,013 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:25:49,026 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:26:05,472 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:26:14,355 WARN L286 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:26:31,795 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:26:43,810 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:26:55,829 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:27:07,842 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:27:14,749 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:27:26,767 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:27:38,787 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:27:50,807 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:27:59,353 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:28:19,531 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:28:31,547 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:28:43,571 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:28:55,588 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:29:07,801 WARN L286 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 21 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:29:15,690 WARN L286 SmtUtils]: Spent 7.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:29:23,701 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:29:40,746 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:29:52,758 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:30:04,775 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:30:16,788 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:30:28,804 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:30:36,819 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:30:44,832 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:31:01,133 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:31:09,143 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:31:21,167 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:31:33,184 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:31:45,208 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:31:57,446 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:32:05,465 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:32:13,480 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:32:33,547 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:32:41,556 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:32:53,572 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:33:05,592 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:33:17,608 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:33:29,625 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:33:37,636 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:33:45,644 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:33:58,610 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:34:10,653 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:34:22,667 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:34:34,683 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:34:50,711 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:34:59,800 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:35:11,833 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:35:19,845 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:35:31,871 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:35:43,885 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:35:55,900 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:36:11,928 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:36:23,943 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:36:35,958 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:36:43,981 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:36:56,002 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:37:08,508 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:37:20,548 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:37:32,564 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:37:42,566 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)