./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:48:47,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:47,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:48:47,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:47,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:47,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:47,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:47,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:47,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:48:47,851 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:48:47,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:47,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:47,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:47,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:47,855 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:47,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:47,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:47,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:48:47,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:47,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:47,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:47,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:47,860 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:48:47,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:48:47,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:47,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:47,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:47,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:47,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:48:47,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:47,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:47,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:47,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:47,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:47,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:48:47,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:48:47,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:47,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:47,869 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:47,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:47,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:47,870 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 [2023-11-26 10:48:48,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:48,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:48,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:48,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:48,202 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:48,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2023-11-26 10:48:51,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:51,804 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:51,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2023-11-26 10:48:51,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/data/e5a9b5121/22cae29dffab45a7bc7a14efc719cee5/FLAG7e98d42ee [2023-11-26 10:48:51,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/data/e5a9b5121/22cae29dffab45a7bc7a14efc719cee5 [2023-11-26 10:48:51,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:51,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:51,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:51,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:51,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:51,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:51" (1/1) ... [2023-11-26 10:48:51,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da8732b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51, skipping insertion in model container [2023-11-26 10:48:51,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:51" (1/1) ... [2023-11-26 10:48:51,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:52,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:52,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:52,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:52,109 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:52,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52 WrapperNode [2023-11-26 10:48:52,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:52,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:52,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:52,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:52,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,147 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2023-11-26 10:48:52,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:52,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:52,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:52,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:52,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,164 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,187 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2023-11-26 10:48:52,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:52,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:52,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:52,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:52,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (1/1) ... [2023-11-26 10:48:52,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:52,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:52,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:52,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:48:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:48:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2023-11-26 10:48:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2023-11-26 10:48:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:48:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:48:52,381 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:52,382 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:52,573 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:52,608 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:52,609 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:48:52,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:52 BoogieIcfgContainer [2023-11-26 10:48:52,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:52,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:48:52,614 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:48:52,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:48:52,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:51" (1/3) ... [2023-11-26 10:48:52,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49757296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:52, skipping insertion in model container [2023-11-26 10:48:52,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52" (2/3) ... [2023-11-26 10:48:52,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49757296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:52, skipping insertion in model container [2023-11-26 10:48:52,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:52" (3/3) ... [2023-11-26 10:48:52,622 INFO L112 eAbstractionObserver]: Analyzing ICFG insertionSort_recursive.i [2023-11-26 10:48:52,640 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:48:52,640 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-26 10:48:52,698 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:48:52,706 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45f53d5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:48:52,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-26 10:48:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 34 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:48:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-26 10:48:52,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:52,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-26 10:48:52,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:52,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:52,725 INFO L85 PathProgramCache]: Analyzing trace with hash 3480497, now seen corresponding path program 1 times [2023-11-26 10:48:52,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:52,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719684303] [2023-11-26 10:48:52,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:52,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:53,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:53,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719684303] [2023-11-26 10:48:53,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719684303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:53,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:53,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:53,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369152935] [2023-11-26 10:48:53,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:53,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:53,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:53,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:53,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:53,171 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 34 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:53,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:53,264 INFO L93 Difference]: Finished difference Result 75 states and 90 transitions. [2023-11-26 10:48:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:53,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-26 10:48:53,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:53,276 INFO L225 Difference]: With dead ends: 75 [2023-11-26 10:48:53,277 INFO L226 Difference]: Without dead ends: 36 [2023-11-26 10:48:53,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:53,286 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 4 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:53,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 105 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:53,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-26 10:48:53,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2023-11-26 10:48:53,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.608695652173913) internal successors, (37), 33 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2023-11-26 10:48:53,333 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 4 [2023-11-26 10:48:53,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:53,333 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2023-11-26 10:48:53,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-26 10:48:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 10:48:53,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:53,335 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-26 10:48:53,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:48:53,336 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:53,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:53,337 INFO L85 PathProgramCache]: Analyzing trace with hash 608368800, now seen corresponding path program 1 times [2023-11-26 10:48:53,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:53,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770362497] [2023-11-26 10:48:53,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:53,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:53,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:53,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770362497] [2023-11-26 10:48:53,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770362497] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:53,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066608657] [2023-11-26 10:48:53,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:53,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:53,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:53,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:53,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:48:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:53,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:48:53,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:53,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:53,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066608657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:53,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:48:53,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-26 10:48:53,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221410036] [2023-11-26 10:48:53,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:53,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:48:53,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:53,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:48:53,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:48:53,751 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:53,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:53,824 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2023-11-26 10:48:53,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:48:53,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 7 [2023-11-26 10:48:53,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:53,827 INFO L225 Difference]: With dead ends: 36 [2023-11-26 10:48:53,828 INFO L226 Difference]: Without dead ends: 35 [2023-11-26 10:48:53,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:48:53,830 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 10 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:53,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 106 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:53,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-26 10:48:53,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2023-11-26 10:48:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.565217391304348) internal successors, (36), 32 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2023-11-26 10:48:53,849 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 7 [2023-11-26 10:48:53,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:53,850 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2023-11-26 10:48:53,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-26 10:48:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-26 10:48:53,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:53,852 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2023-11-26 10:48:53,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:48:54,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-26 10:48:54,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:54,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:54,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1679563714, now seen corresponding path program 1 times [2023-11-26 10:48:54,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:54,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743296896] [2023-11-26 10:48:54,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:54,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:54,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:54,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743296896] [2023-11-26 10:48:54,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743296896] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:54,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659533488] [2023-11-26 10:48:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:54,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:54,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:54,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:54,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:48:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:54,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:48:54,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:54,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:54,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659533488] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:54,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:48:54,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-26 10:48:54,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900736499] [2023-11-26 10:48:54,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:54,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 10:48:54,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:54,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 10:48:54,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:48:54,409 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:54,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:54,549 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2023-11-26 10:48:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:48:54,550 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-26 10:48:54,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:54,555 INFO L225 Difference]: With dead ends: 48 [2023-11-26 10:48:54,556 INFO L226 Difference]: Without dead ends: 47 [2023-11-26 10:48:54,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-26 10:48:54,562 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 21 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:54,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 108 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:54,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-26 10:48:54,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2023-11-26 10:48:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.5) internal successors, (48), 41 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2023-11-26 10:48:54,586 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 8 [2023-11-26 10:48:54,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:54,587 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2023-11-26 10:48:54,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2023-11-26 10:48:54,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-26 10:48:54,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:54,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:54,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-26 10:48:54,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-26 10:48:54,790 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:54,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:54,791 INFO L85 PathProgramCache]: Analyzing trace with hash -981887996, now seen corresponding path program 1 times [2023-11-26 10:48:54,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:54,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783288110] [2023-11-26 10:48:54,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:54,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:54,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:54,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783288110] [2023-11-26 10:48:54,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783288110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:54,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:54,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:54,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248186810] [2023-11-26 10:48:54,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:54,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:54,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:54,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:54,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:54,851 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:54,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:54,871 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2023-11-26 10:48:54,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:54,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-26 10:48:54,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:54,873 INFO L225 Difference]: With dead ends: 68 [2023-11-26 10:48:54,873 INFO L226 Difference]: Without dead ends: 43 [2023-11-26 10:48:54,874 INFO L412 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 [2023-11-26 10:48:54,875 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:54,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 58 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:54,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-26 10:48:54,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-26 10:48:54,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.46875) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2023-11-26 10:48:54,884 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 10 [2023-11-26 10:48:54,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:54,884 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2023-11-26 10:48:54,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-26 10:48:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-26 10:48:54,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:54,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:54,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:48:54,886 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:54,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:54,887 INFO L85 PathProgramCache]: Analyzing trace with hash 698597811, now seen corresponding path program 1 times [2023-11-26 10:48:54,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:54,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420077784] [2023-11-26 10:48:54,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:54,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:54,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:54,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:54,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420077784] [2023-11-26 10:48:54,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420077784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:54,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:54,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:54,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740085072] [2023-11-26 10:48:54,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:54,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:54,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:54,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:54,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:54,969 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:55,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:55,081 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2023-11-26 10:48:55,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:48:55,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-26 10:48:55,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:55,083 INFO L225 Difference]: With dead ends: 85 [2023-11-26 10:48:55,083 INFO L226 Difference]: Without dead ends: 79 [2023-11-26 10:48:55,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:48:55,085 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 86 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:55,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 90 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:55,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-26 10:48:55,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 64. [2023-11-26 10:48:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 53 states have (on average 1.471698113207547) internal successors, (78), 61 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:55,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2023-11-26 10:48:55,104 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 13 [2023-11-26 10:48:55,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:55,104 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2023-11-26 10:48:55,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2023-11-26 10:48:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 10:48:55,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:55,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:55,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:48:55,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting insertionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:55,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:55,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1478234453, now seen corresponding path program 1 times [2023-11-26 10:48:55,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:55,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244667652] [2023-11-26 10:48:55,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:55,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:55,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:55,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244667652] [2023-11-26 10:48:55,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244667652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:55,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:55,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:55,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36210737] [2023-11-26 10:48:55,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:55,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:55,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:55,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:55,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:55,194 INFO L87 Difference]: Start difference. First operand 64 states and 80 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:55,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:55,230 INFO L93 Difference]: Finished difference Result 104 states and 133 transitions. [2023-11-26 10:48:55,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:55,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-26 10:48:55,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:55,236 INFO L225 Difference]: With dead ends: 104 [2023-11-26 10:48:55,236 INFO L226 Difference]: Without dead ends: 67 [2023-11-26 10:48:55,237 INFO L412 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 [2023-11-26 10:48:55,238 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:55,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:55,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-26 10:48:55,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2023-11-26 10:48:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 63 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2023-11-26 10:48:55,257 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 16 [2023-11-26 10:48:55,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:55,258 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2023-11-26 10:48:55,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2023-11-26 10:48:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 10:48:55,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:55,260 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2023-11-26 10:48:55,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:48:55,260 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:55,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:55,261 INFO L85 PathProgramCache]: Analyzing trace with hash -955437167, now seen corresponding path program 2 times [2023-11-26 10:48:55,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:55,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913568118] [2023-11-26 10:48:55,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:55,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:55,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:55,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913568118] [2023-11-26 10:48:55,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913568118] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:55,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362306583] [2023-11-26 10:48:55,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:48:55,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:55,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:55,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:55,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:48:55,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-26 10:48:55,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:48:55,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:48:55,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-26 10:48:55,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-26 10:48:55,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362306583] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:55,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:48:55,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2023-11-26 10:48:55,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914022772] [2023-11-26 10:48:55,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:55,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-26 10:48:55,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:55,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 10:48:55,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-26 10:48:55,748 INFO L87 Difference]: Start difference. First operand 66 states and 82 transitions. Second operand has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:55,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:55,957 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2023-11-26 10:48:55,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-26 10:48:55,958 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-26 10:48:55,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:55,961 INFO L225 Difference]: With dead ends: 73 [2023-11-26 10:48:55,961 INFO L226 Difference]: Without dead ends: 72 [2023-11-26 10:48:55,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2023-11-26 10:48:55,963 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 37 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:55,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 128 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:55,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-26 10:48:55,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 54. [2023-11-26 10:48:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 51 states have internal predecessors, (65), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-26 10:48:55,983 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 17 [2023-11-26 10:48:55,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:55,984 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-26 10:48:55,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-26 10:48:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 10:48:55,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:55,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:55,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:56,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 10:48:56,191 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting insertionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:56,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:56,192 INFO L85 PathProgramCache]: Analyzing trace with hash -276505561, now seen corresponding path program 1 times [2023-11-26 10:48:56,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:56,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785931058] [2023-11-26 10:48:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:56,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:56,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785931058] [2023-11-26 10:48:56,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785931058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:56,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:56,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:48:56,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439305615] [2023-11-26 10:48:56,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:56,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:48:56,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:56,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:48:56,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:48:56,282 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:56,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:56,376 INFO L93 Difference]: Finished difference Result 83 states and 98 transitions. [2023-11-26 10:48:56,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:48:56,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-26 10:48:56,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:56,377 INFO L225 Difference]: With dead ends: 83 [2023-11-26 10:48:56,377 INFO L226 Difference]: Without dead ends: 41 [2023-11-26 10:48:56,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:48:56,379 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 21 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:56,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 104 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:56,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-26 10:48:56,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2023-11-26 10:48:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 37 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2023-11-26 10:48:56,385 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 18 [2023-11-26 10:48:56,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:56,385 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2023-11-26 10:48:56,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2023-11-26 10:48:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 10:48:56,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:56,387 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:56,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 10:48:56,387 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:56,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:56,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1299292871, now seen corresponding path program 1 times [2023-11-26 10:48:56,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:56,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851049096] [2023-11-26 10:48:56,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:56,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 10:48:56,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:56,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851049096] [2023-11-26 10:48:56,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851049096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:56,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:56,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:56,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3669450] [2023-11-26 10:48:56,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:56,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:56,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:56,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:56,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:56,451 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:56,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:56,492 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2023-11-26 10:48:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:56,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-26 10:48:56,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:56,494 INFO L225 Difference]: With dead ends: 46 [2023-11-26 10:48:56,494 INFO L226 Difference]: Without dead ends: 44 [2023-11-26 10:48:56,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:56,495 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 17 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:56,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 52 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:56,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-26 10:48:56,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2023-11-26 10:48:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:56,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2023-11-26 10:48:56,501 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 22 [2023-11-26 10:48:56,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:56,502 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2023-11-26 10:48:56,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2023-11-26 10:48:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-26 10:48:56,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:56,503 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:56,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 10:48:56,504 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:56,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:56,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1623373381, now seen corresponding path program 1 times [2023-11-26 10:48:56,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:56,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829505363] [2023-11-26 10:48:56,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:56,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:56,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:56,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829505363] [2023-11-26 10:48:56,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829505363] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:56,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400478495] [2023-11-26 10:48:56,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:56,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:56,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:56,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:56,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:48:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:56,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:48:56,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:56,773 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:56,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400478495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:56,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:48:56,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2023-11-26 10:48:56,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784261372] [2023-11-26 10:48:56,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:56,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:48:56,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:56,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:48:56,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:48:56,776 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 6 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:56,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:56,868 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2023-11-26 10:48:56,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:48:56,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-26 10:48:56,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:56,870 INFO L225 Difference]: With dead ends: 38 [2023-11-26 10:48:56,870 INFO L226 Difference]: Without dead ends: 36 [2023-11-26 10:48:56,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:48:56,871 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 52 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:56,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 46 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:56,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-26 10:48:56,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-26 10:48:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2023-11-26 10:48:56,877 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 23 [2023-11-26 10:48:56,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:56,878 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2023-11-26 10:48:56,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2023-11-26 10:48:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-26 10:48:56,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:56,879 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:56,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:57,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:57,086 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:57,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:57,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1214845557, now seen corresponding path program 1 times [2023-11-26 10:48:57,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:57,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988318957] [2023-11-26 10:48:57,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:57,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:57,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:57,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988318957] [2023-11-26 10:48:57,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988318957] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:57,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312835432] [2023-11-26 10:48:57,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:57,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:57,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:57,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:57,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:48:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:57,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:48:57,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:57,389 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:57,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312835432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:57,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:48:57,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2023-11-26 10:48:57,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749614762] [2023-11-26 10:48:57,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:57,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:48:57,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:57,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:48:57,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:48:57,395 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 6 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:57,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:57,457 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2023-11-26 10:48:57,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:57,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-11-26 10:48:57,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:57,459 INFO L225 Difference]: With dead ends: 36 [2023-11-26 10:48:57,459 INFO L226 Difference]: Without dead ends: 35 [2023-11-26 10:48:57,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-11-26 10:48:57,461 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 42 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:57,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 50 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:57,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-26 10:48:57,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-26 10:48:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.2) internal successors, (36), 32 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2023-11-26 10:48:57,469 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 24 [2023-11-26 10:48:57,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:57,469 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2023-11-26 10:48:57,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2023-11-26 10:48:57,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-26 10:48:57,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:57,475 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:57,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:57,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:57,681 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:57,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:57,682 INFO L85 PathProgramCache]: Analyzing trace with hash 994493467, now seen corresponding path program 1 times [2023-11-26 10:48:57,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:57,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503225022] [2023-11-26 10:48:57,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:57,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:48:57,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:57,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503225022] [2023-11-26 10:48:57,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503225022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:57,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:57,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:57,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070038215] [2023-11-26 10:48:57,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:57,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:57,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:57,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:57,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:57,759 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:57,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:57,857 INFO L93 Difference]: Finished difference Result 55 states and 60 transitions. [2023-11-26 10:48:57,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:48:57,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-11-26 10:48:57,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:57,859 INFO L225 Difference]: With dead ends: 55 [2023-11-26 10:48:57,859 INFO L226 Difference]: Without dead ends: 54 [2023-11-26 10:48:57,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:48:57,860 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 21 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:57,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 54 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:57,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-26 10:48:57,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 37. [2023-11-26 10:48:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.21875) internal successors, (39), 34 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2023-11-26 10:48:57,867 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 25 [2023-11-26 10:48:57,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:57,868 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2023-11-26 10:48:57,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2023-11-26 10:48:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-26 10:48:57,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:57,869 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:57,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 10:48:57,870 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:57,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:57,871 INFO L85 PathProgramCache]: Analyzing trace with hash 945538711, now seen corresponding path program 1 times [2023-11-26 10:48:57,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:57,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857576721] [2023-11-26 10:48:57,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:57,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:57,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:57,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857576721] [2023-11-26 10:48:57,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857576721] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:57,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815875249] [2023-11-26 10:48:57,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:57,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:57,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:57,966 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:57,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 10:48:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:58,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:48:58,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:58,099 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:58,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:48:58,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815875249] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:58,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:48:58,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-11-26 10:48:58,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981909112] [2023-11-26 10:48:58,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:58,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-26 10:48:58,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:58,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 10:48:58,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-11-26 10:48:58,177 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 14 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:58,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:58,300 INFO L93 Difference]: Finished difference Result 91 states and 102 transitions. [2023-11-26 10:48:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:48:58,300 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-11-26 10:48:58,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:58,302 INFO L225 Difference]: With dead ends: 91 [2023-11-26 10:48:58,302 INFO L226 Difference]: Without dead ends: 90 [2023-11-26 10:48:58,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2023-11-26 10:48:58,303 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 75 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:58,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 178 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:58,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-26 10:48:58,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 69. [2023-11-26 10:48:58,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 64 states have internal predecessors, (77), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:58,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 81 transitions. [2023-11-26 10:48:58,315 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 81 transitions. Word has length 27 [2023-11-26 10:48:58,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:58,315 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 81 transitions. [2023-11-26 10:48:58,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:58,316 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2023-11-26 10:48:58,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-26 10:48:58,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:58,317 INFO L195 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] [2023-11-26 10:48:58,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-26 10:48:58,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 10:48:58,523 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting insertionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:58,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:58,524 INFO L85 PathProgramCache]: Analyzing trace with hash 945588115, now seen corresponding path program 1 times [2023-11-26 10:48:58,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:58,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240883559] [2023-11-26 10:48:58,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:58,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:48:58,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240883559] [2023-11-26 10:48:58,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240883559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:58,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:58,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:58,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994319912] [2023-11-26 10:48:58,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:58,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:58,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:58,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:58,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:58,576 INFO L87 Difference]: Start difference. First operand 69 states and 81 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:58,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:58,615 INFO L93 Difference]: Finished difference Result 81 states and 93 transitions. [2023-11-26 10:48:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:58,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-11-26 10:48:58,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:58,617 INFO L225 Difference]: With dead ends: 81 [2023-11-26 10:48:58,617 INFO L226 Difference]: Without dead ends: 80 [2023-11-26 10:48:58,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:58,619 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 10 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:58,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 61 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:58,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-26 10:48:58,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2023-11-26 10:48:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 63 states have internal predecessors, (74), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:58,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2023-11-26 10:48:58,629 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 27 [2023-11-26 10:48:58,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:58,630 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2023-11-26 10:48:58,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:58,630 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2023-11-26 10:48:58,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-26 10:48:58,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:58,632 INFO L195 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] [2023-11-26 10:48:58,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 10:48:58,632 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting insertionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:58,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:58,633 INFO L85 PathProgramCache]: Analyzing trace with hash -751539445, now seen corresponding path program 1 times [2023-11-26 10:48:58,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:58,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646821497] [2023-11-26 10:48:58,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:58,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:48:58,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:58,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646821497] [2023-11-26 10:48:58,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646821497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:58,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:58,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:58,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143899160] [2023-11-26 10:48:58,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:58,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:58,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:58,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:58,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:58,685 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:58,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:58,728 INFO L93 Difference]: Finished difference Result 88 states and 100 transitions. [2023-11-26 10:48:58,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:58,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-11-26 10:48:58,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:58,730 INFO L225 Difference]: With dead ends: 88 [2023-11-26 10:48:58,730 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 10:48:58,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:58,731 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 11 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:58,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 66 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:58,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 10:48:58,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 67. [2023-11-26 10:48:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 62 states have internal predecessors, (71), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:58,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2023-11-26 10:48:58,741 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 28 [2023-11-26 10:48:58,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:58,742 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2023-11-26 10:48:58,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2023-11-26 10:48:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-26 10:48:58,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:58,744 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:58,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 10:48:58,745 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:48:58,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:58,746 INFO L85 PathProgramCache]: Analyzing trace with hash 53763351, now seen corresponding path program 2 times [2023-11-26 10:48:58,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:58,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289382000] [2023-11-26 10:48:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:58,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-26 10:48:59,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:59,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289382000] [2023-11-26 10:48:59,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289382000] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:59,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667587655] [2023-11-26 10:48:59,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:48:59,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:59,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:59,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:59,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 10:48:59,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:48:59,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:48:59,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:48:59,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-26 10:48:59,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-26 10:48:59,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667587655] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:59,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:48:59,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 18 [2023-11-26 10:48:59,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386600170] [2023-11-26 10:48:59,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:59,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-26 10:48:59,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-26 10:48:59,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2023-11-26 10:48:59,414 INFO L87 Difference]: Start difference. First operand 67 states and 75 transitions. Second operand has 18 states, 16 states have (on average 2.9375) internal successors, (47), 14 states have internal predecessors, (47), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:59,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:59,912 INFO L93 Difference]: Finished difference Result 170 states and 191 transitions. [2023-11-26 10:48:59,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-26 10:48:59,913 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 2.9375) internal successors, (47), 14 states have internal predecessors, (47), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2023-11-26 10:48:59,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:59,914 INFO L225 Difference]: With dead ends: 170 [2023-11-26 10:48:59,914 INFO L226 Difference]: Without dead ends: 109 [2023-11-26 10:48:59,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2023-11-26 10:48:59,917 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 126 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:59,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 145 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:48:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-26 10:48:59,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 74. [2023-11-26 10:48:59,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 69 states have (on average 1.1159420289855073) internal successors, (77), 69 states have internal predecessors, (77), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2023-11-26 10:48:59,930 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 45 [2023-11-26 10:48:59,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:59,930 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2023-11-26 10:48:59,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 2.9375) internal successors, (47), 14 states have internal predecessors, (47), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:59,931 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2023-11-26 10:48:59,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-26 10:48:59,932 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:59,932 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:59,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:49:00,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:49:00,139 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 10:49:00,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:00,140 INFO L85 PathProgramCache]: Analyzing trace with hash 669016840, now seen corresponding path program 3 times [2023-11-26 10:49:00,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:00,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379517946] [2023-11-26 10:49:00,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:00,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 39 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-26 10:49:00,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:00,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379517946] [2023-11-26 10:49:00,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379517946] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:49:00,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230322121] [2023-11-26 10:49:00,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 10:49:00,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:49:00,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:00,647 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:49:00,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 10:49:00,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-26 10:49:00,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:49:00,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-26 10:49:00,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:49:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-26 10:49:01,070 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:49:01,392 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-26 10:49:01,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230322121] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:49:01,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:49:01,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 10] total 30 [2023-11-26 10:49:01,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333874402] [2023-11-26 10:49:01,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:49:01,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-26 10:49:01,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:01,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-26 10:49:01,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=769, Unknown=0, NotChecked=0, Total=870 [2023-11-26 10:49:01,396 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 30 states, 28 states have (on average 3.357142857142857) internal successors, (94), 25 states have internal predecessors, (94), 7 states have call successors, (8), 6 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:49:02,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:02,118 INFO L93 Difference]: Finished difference Result 145 states and 161 transitions. [2023-11-26 10:49:02,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-26 10:49:02,118 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 3.357142857142857) internal successors, (94), 25 states have internal predecessors, (94), 7 states have call successors, (8), 6 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2023-11-26 10:49:02,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:02,119 INFO L225 Difference]: With dead ends: 145 [2023-11-26 10:49:02,119 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:49:02,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=318, Invalid=2132, Unknown=0, NotChecked=0, Total=2450 [2023-11-26 10:49:02,122 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 143 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:02,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 306 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:49:02,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:49:02,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:49:02,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:49:02,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:49:02,125 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2023-11-26 10:49:02,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:02,125 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:49:02,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 3.357142857142857) internal successors, (94), 25 states have internal predecessors, (94), 7 states have call successors, (8), 6 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:49:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:49:02,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:49:02,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-26 10:49:02,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-26 10:49:02,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-26 10:49:02,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-26 10:49:02,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-11-26 10:49:02,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-11-26 10:49:02,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-26 10:49:02,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-26 10:49:02,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-26 10:49:02,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-26 10:49:02,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:49:02,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:49:02,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:49:03,665 INFO L899 garLoopResultBuilder]: For program point insertionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2023-11-26 10:49:03,665 INFO L899 garLoopResultBuilder]: For program point insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2023-11-26 10:49:03,665 INFO L899 garLoopResultBuilder]: For program point insertionSortErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-11-26 10:49:03,665 INFO L899 garLoopResultBuilder]: For program point insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2023-11-26 10:49:03,665 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-26 10:49:03,665 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-26 10:49:03,666 INFO L895 garLoopResultBuilder]: At program point L19-2(line 19) the Hoare annotation is: (let ((.cse2 (< 1 |insertionSort_#in~i|)) (.cse0 (<= 2147483648 |insertionSort_#in~size|)) (.cse3 (<= insertionSort_~size 2147483647)) (.cse4 (<= insertionSort_~j~0 2147483647)) (.cse1 (< |insertionSort_#in~i| 1)) (.cse6 (< 2 |insertionSort_#in~size|)) (.cse7 (not (= |insertionSort_#in~i| 0))) (.cse5 (<= insertionSort_~size insertionSort_~i))) (and (or .cse0 .cse1 .cse2 (and (<= insertionSort_~i 2147483645) (<= |insertionSort_#t~pre6| 2147483646))) (or .cse0 (< 2147483647 |insertionSort_#in~i|) .cse1 (and (<= 1 insertionSort_~i) (<= insertionSort_~i 2147483647) .cse3 (<= |insertionSort_#t~pre6| 2147483647) (<= 1 |insertionSort_#t~pre6|) .cse4)) (or .cse1 (and (<= insertionSort_~size |insertionSort_#t~pre6|) .cse5 (<= insertionSort_~size 2)) .cse6 .cse2) (or .cse7 .cse6 (<= insertionSort_~size (+ |insertionSort_#t~pre6| 1))) (or .cse0 (and (= insertionSort_~i 1) (= |insertionSort_#t~pre6| 1) .cse3 .cse4) .cse7) (or (< |insertionSort_#in~i| |insertionSort_#in~size|) .cse1 .cse6 (<= 2147483647 |insertionSort_#in~i|)) (or .cse7 .cse5 (< 1 |insertionSort_#in~size|)))) [2023-11-26 10:49:03,667 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-26 10:49:03,667 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2023-11-26 10:49:03,667 INFO L899 garLoopResultBuilder]: For program point L15-2(line 15) no Hoare annotation was computed. [2023-11-26 10:49:03,667 INFO L899 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2023-11-26 10:49:03,667 INFO L899 garLoopResultBuilder]: For program point L15-5(lines 15 16) no Hoare annotation was computed. [2023-11-26 10:49:03,667 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8 21) the Hoare annotation is: true [2023-11-26 10:49:03,667 INFO L899 garLoopResultBuilder]: For program point L15-8(line 15) no Hoare annotation was computed. [2023-11-26 10:49:03,667 INFO L899 garLoopResultBuilder]: For program point L15-9(line 15) no Hoare annotation was computed. [2023-11-26 10:49:03,668 INFO L895 garLoopResultBuilder]: At program point L15-10(lines 15 16) the Hoare annotation is: (let ((.cse0 (not (= |insertionSort_#in~i| 0))) (.cse6 (<= insertionSort_~size 2147483647)) (.cse3 (<= 2147483648 |insertionSort_#in~size|)) (.cse4 (< |insertionSort_#in~i| 1)) (.cse1 (< 2 |insertionSort_#in~size|)) (.cse5 (< 1 |insertionSort_#in~i|)) (.cse2 (<= insertionSort_~size 2))) (and (or .cse0 .cse1 .cse2) (or .cse0 (<= insertionSort_~size 1) (< 1 |insertionSort_#in~size|)) (or .cse3 (= insertionSort_~i 1) .cse4 .cse5) (or (< |insertionSort_#in~i| |insertionSort_#in~size|) .cse4 .cse1 (<= 2147483647 |insertionSort_#in~i|)) (or .cse3 (and .cse6 (= insertionSort_~j~0 0) (= insertionSort_~i 0)) .cse0) (or (and (<= 1 insertionSort_~i) .cse6 (<= insertionSort_~i 2147483646) (<= insertionSort_~j~0 2147483647)) .cse3 (< 2147483647 |insertionSort_#in~i|) .cse4) (or .cse4 .cse1 .cse5 .cse2))) [2023-11-26 10:49:03,668 INFO L899 garLoopResultBuilder]: For program point L15-11(lines 15 16) no Hoare annotation was computed. [2023-11-26 10:49:03,668 INFO L899 garLoopResultBuilder]: For program point insertionSortEXIT(lines 8 21) no Hoare annotation was computed. [2023-11-26 10:49:03,668 INFO L899 garLoopResultBuilder]: For program point insertionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2023-11-26 10:49:03,669 INFO L899 garLoopResultBuilder]: For program point insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2023-11-26 10:49:03,669 INFO L899 garLoopResultBuilder]: For program point insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-11-26 10:49:03,669 INFO L899 garLoopResultBuilder]: For program point insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2023-11-26 10:49:03,669 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2023-11-26 10:49:03,669 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2023-11-26 10:49:03,669 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 20) no Hoare annotation was computed. [2023-11-26 10:49:03,669 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 8 21) no Hoare annotation was computed. [2023-11-26 10:49:03,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-26 10:49:03,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:49:03,670 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2023-11-26 10:49:03,670 INFO L899 garLoopResultBuilder]: For program point L33-4(line 33) no Hoare annotation was computed. [2023-11-26 10:49:03,670 INFO L895 garLoopResultBuilder]: At program point L33-5(lines 33 35) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 2147483647))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~n~0#1|)))) [2023-11-26 10:49:03,670 INFO L899 garLoopResultBuilder]: For program point L33-6(lines 33 35) no Hoare annotation was computed. [2023-11-26 10:49:03,670 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 40) no Hoare annotation was computed. [2023-11-26 10:49:03,670 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:49:03,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-26 10:49:03,671 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2023-11-26 10:49:03,671 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (< |ULTIMATE.start_main_~n~0#1| 2147483648) [2023-11-26 10:49:03,671 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-26 10:49:03,676 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:03,679 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:49:03,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:49:03 BoogieIcfgContainer [2023-11-26 10:49:03,695 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:49:03,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:49:03,696 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:49:03,696 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:49:03,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:52" (3/4) ... [2023-11-26 10:49:03,700 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:49:03,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure insertionSort [2023-11-26 10:49:03,710 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-26 10:49:03,711 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 10:49:03,711 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 10:49:03,711 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:49:03,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(i) == 0)) || (2 < \old(size))) || (size <= 2)) && ((!((\old(i) == 0)) || (size <= 1)) || (1 < \old(size)))) && ((((2147483648 <= \old(size)) || (i == 1)) || (\old(i) < 1)) || (1 < \old(i)))) && ((((\old(i) < \old(size)) || (\old(i) < 1)) || (2 < \old(size))) || (2147483647 <= \old(i)))) && (((2147483648 <= \old(size)) || (((size <= 2147483647) && (j == 0)) && (i == 0))) || !((\old(i) == 0)))) && (((((((1 <= i) && (size <= 2147483647)) && (i <= 2147483646)) && (j <= 2147483647)) || (2147483648 <= \old(size))) || (2147483647 < \old(i))) || (\old(i) < 1))) && ((((\old(i) < 1) || (2 < \old(size))) || (1 < \old(i))) || (size <= 2))) [2023-11-26 10:49:03,763 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(i) == 0)) || (2 < \old(size))) || (size <= 2)) && ((!((\old(i) == 0)) || (size <= 1)) || (1 < \old(size)))) && ((((2147483648 <= \old(size)) || (i == 1)) || (\old(i) < 1)) || (1 < \old(i)))) && ((((\old(i) < \old(size)) || (\old(i) < 1)) || (2 < \old(size))) || (2147483647 <= \old(i)))) && (((2147483648 <= \old(size)) || (((size <= 2147483647) && (j == 0)) && (i == 0))) || !((\old(i) == 0)))) && (((((((1 <= i) && (size <= 2147483647)) && (i <= 2147483646)) && (j <= 2147483647)) || (2147483648 <= \old(size))) || (2147483647 < \old(i))) || (\old(i) < 1))) && ((((\old(i) < 1) || (2 < \old(size))) || (1 < \old(i))) || (size <= 2))) [2023-11-26 10:49:03,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:49:03,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:49:03,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:49:03,826 INFO L158 Benchmark]: Toolchain (without parser) took 11991.24ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 125.2MB in the beginning and 124.1MB in the end (delta: 1.1MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2023-11-26 10:49:03,827 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:03,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.85ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 114.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:49:03,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.85ms. Allocated memory is still 157.3MB. Free memory was 114.8MB in the beginning and 113.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:03,830 INFO L158 Benchmark]: Boogie Preprocessor took 66.81ms. Allocated memory is still 157.3MB. Free memory was 113.3MB in the beginning and 111.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:03,832 INFO L158 Benchmark]: RCFGBuilder took 394.32ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 99.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:49:03,832 INFO L158 Benchmark]: TraceAbstraction took 11081.73ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 98.1MB in the beginning and 129.4MB in the end (delta: -31.2MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2023-11-26 10:49:03,833 INFO L158 Benchmark]: Witness Printer took 129.16ms. Allocated memory is still 232.8MB. Free memory was 129.4MB in the beginning and 124.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:49:03,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.85ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 114.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.85ms. Allocated memory is still 157.3MB. Free memory was 114.8MB in the beginning and 113.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.81ms. Allocated memory is still 157.3MB. Free memory was 113.3MB in the beginning and 111.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.32ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 99.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11081.73ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 98.1MB in the beginning and 129.4MB in the end (delta: -31.2MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. * Witness Printer took 129.16ms. Allocated memory is still 232.8MB. Free memory was 129.4MB in the beginning and 124.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 17, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 678 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 678 mSDsluCounter, 1712 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1310 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1151 IncrementalHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 402 mSDtfsCounter, 1151 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 515 GetRequests, 312 SyntacticMatches, 7 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=16, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 152 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 56 PreInvPairs, 81 NumberOfFragments, 253 HoareAnnotationTreeSize, 56 FomulaSimplifications, 2155 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 1544 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 569 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 688 ConstructedInterpolants, 0 QuantifiedInterpolants, 1573 SizeOfPredicates, 26 NumberOfNonLiveVariables, 825 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 30 InterpolantComputations, 12 PerfectInterpolantSequences, 359/527 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((n <= 2147483647) && (1 <= i)) && (i <= 2147483647)) || (((n <= 2147483647) && (i == 0)) && (1 <= n))) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((((((!((\old(i) == 0)) || (2 < \old(size))) || (size <= 2)) && ((!((\old(i) == 0)) || (size <= 1)) || (1 < \old(size)))) && ((((2147483648 <= \old(size)) || (i == 1)) || (\old(i) < 1)) || (1 < \old(i)))) && ((((\old(i) < \old(size)) || (\old(i) < 1)) || (2 < \old(size))) || (2147483647 <= \old(i)))) && (((2147483648 <= \old(size)) || (((size <= 2147483647) && (j == 0)) && (i == 0))) || !((\old(i) == 0)))) && (((((((1 <= i) && (size <= 2147483647)) && (i <= 2147483646)) && (j <= 2147483647)) || (2147483648 <= \old(size))) || (2147483647 < \old(i))) || (\old(i) < 1))) && ((((\old(i) < 1) || (2 < \old(size))) || (1 < \old(i))) || (size <= 2))) RESULT: Ultimate proved your program to be correct! [2023-11-26 10:49:03,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62babb01-2bca-4148-b2b9-1dc32b970896/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE