./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/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_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/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 32bit --witnessprinter.graph.data.programhash 1489855b7530896bdd176b2b4b6c40b97d8289986908954c704880efe20dffb0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:46:58,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:46:58,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 11:46:58,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:46:58,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:46:58,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:46:58,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:46:58,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:46:58,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:46:58,782 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:46:58,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:46:58,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:46:58,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:46:58,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:46:58,788 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:46:58,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:46:58,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:46:58,790 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:46:58,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:46:58,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:46:58,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:46:58,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:46:58,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:46:58,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:46:58,794 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:46:58,794 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:46:58,795 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:46:58,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:46:58,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:46:58,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:46:58,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:46:58,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:46:58,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:46:58,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:58,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:46:58,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:46:58,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:46:58,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:46:58,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:46:58,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:46:58,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:46:58,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:46:58,803 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:46:58,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:46:58,803 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_a8f97b8b-f744-4f3f-99a6-f90133c65f27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1489855b7530896bdd176b2b4b6c40b97d8289986908954c704880efe20dffb0 [2023-11-26 11:46:59,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:46:59,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:46:59,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:46:59,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:46:59,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:46:59,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-1.i [2023-11-26 11:47:02,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:47:02,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:47:02,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-1.i [2023-11-26 11:47:02,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/data/33bea0997/05fc782204994c269fbbdbc66315bee5/FLAGdca2bced9 [2023-11-26 11:47:02,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/data/33bea0997/05fc782204994c269fbbdbc66315bee5 [2023-11-26 11:47:02,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:47:02,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:47:02,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:02,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:47:02,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:47:02,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:02" (1/1) ... [2023-11-26 11:47:02,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bafec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:02, skipping insertion in model container [2023-11-26 11:47:02,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:02" (1/1) ... [2023-11-26 11:47:02,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:47:03,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:03,133 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:47:03,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:03,260 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:47:03,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03 WrapperNode [2023-11-26 11:47:03,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:03,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:03,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:47:03,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:47:03,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,309 INFO L138 Inliner]: procedures = 126, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-26 11:47:03,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:03,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:47:03,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:47:03,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:47:03,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,357 INFO L175 MemorySlicer]: Split 44 memory accesses to 3 slices as follows [2, 31, 11]. 70 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 18 writes are split as follows [0, 16, 2]. [2023-11-26 11:47:03,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:47:03,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:47:03,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:47:03,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:47:03,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (1/1) ... [2023-11-26 11:47:03,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:03,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:03,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:03,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:47:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:47:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:47:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:47:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:47:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:47:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:47:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:47:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure create_data [2023-11-26 11:47:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure create_data [2023-11-26 11:47:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:47:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:47:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:47:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:47:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:47:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:47:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:47:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:47:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:47:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:47:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:47:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:47:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:47:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:47:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:47:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:47:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:47:03,612 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:47:03,614 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:47:04,012 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:47:04,077 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:47:04,077 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-26 11:47:04,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:04 BoogieIcfgContainer [2023-11-26 11:47:04,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:47:04,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:47:04,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:47:04,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:47:04,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:47:02" (1/3) ... [2023-11-26 11:47:04,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0fdc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:04, skipping insertion in model container [2023-11-26 11:47:04,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:03" (2/3) ... [2023-11-26 11:47:04,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0fdc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:04, skipping insertion in model container [2023-11-26 11:47:04,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:04" (3/3) ... [2023-11-26 11:47:04,091 INFO L112 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test02-1.i [2023-11-26 11:47:04,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:47:04,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-26 11:47:04,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:47:04,188 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;@26d7c679, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:47:04,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-26 11:47:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 34 states have (on average 1.6764705882352942) internal successors, (57), 40 states have internal predecessors, (57), 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 11:47:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 11:47:04,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:04,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:04,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:04,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:04,219 INFO L85 PathProgramCache]: Analyzing trace with hash 522260276, now seen corresponding path program 1 times [2023-11-26 11:47:04,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:04,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393606819] [2023-11-26 11:47:04,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:04,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:04,719 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 11:47:04,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:04,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393606819] [2023-11-26 11:47:04,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393606819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:04,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:04,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:47:04,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476367912] [2023-11-26 11:47:04,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:04,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:47:04,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:04,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:47:04,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:47:04,780 INFO L87 Difference]: Start difference. First operand has 44 states, 34 states have (on average 1.6764705882352942) internal successors, (57), 40 states have internal predecessors, (57), 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, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 11:47:04,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:04,889 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2023-11-26 11:47:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:47:04,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2023-11-26 11:47:04,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:04,901 INFO L225 Difference]: With dead ends: 116 [2023-11-26 11:47:04,901 INFO L226 Difference]: Without dead ends: 69 [2023-11-26 11:47:04,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:47:04,909 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 33 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:04,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:47:04,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-26 11:47:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 63. [2023-11-26 11:47:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 53 states have (on average 1.509433962264151) internal successors, (80), 58 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 84 transitions. [2023-11-26 11:47:04,956 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 84 transitions. Word has length 9 [2023-11-26 11:47:04,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:04,956 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 84 transitions. [2023-11-26 11:47:04,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 11:47:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-26 11:47:04,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 11:47:04,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:04,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:04,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:47:04,958 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:04,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:04,959 INFO L85 PathProgramCache]: Analyzing trace with hash 522319858, now seen corresponding path program 1 times [2023-11-26 11:47:04,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:04,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833579236] [2023-11-26 11:47:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:05,093 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 11:47:05,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:05,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833579236] [2023-11-26 11:47:05,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833579236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:05,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:05,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:47:05,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391170241] [2023-11-26 11:47:05,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:05,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:47:05,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:05,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:47:05,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:47:05,097 INFO L87 Difference]: Start difference. First operand 63 states and 84 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 11:47:05,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:05,148 INFO L93 Difference]: Finished difference Result 131 states and 181 transitions. [2023-11-26 11:47:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:47:05,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 9 [2023-11-26 11:47:05,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:05,151 INFO L225 Difference]: With dead ends: 131 [2023-11-26 11:47:05,151 INFO L226 Difference]: Without dead ends: 69 [2023-11-26 11:47:05,152 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 11:47:05,154 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:05,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 132 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:05,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-26 11:47:05,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-26 11:47:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 59 states have (on average 1.4576271186440677) internal successors, (86), 64 states have internal predecessors, (86), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 90 transitions. [2023-11-26 11:47:05,166 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 90 transitions. Word has length 9 [2023-11-26 11:47:05,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:05,167 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 90 transitions. [2023-11-26 11:47:05,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 11:47:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2023-11-26 11:47:05,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 11:47:05,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:05,169 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:05,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:47:05,169 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:05,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:05,170 INFO L85 PathProgramCache]: Analyzing trace with hash -235566390, now seen corresponding path program 1 times [2023-11-26 11:47:05,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:05,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806337456] [2023-11-26 11:47:05,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:05,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:05,322 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 11:47:05,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:05,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806337456] [2023-11-26 11:47:05,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806337456] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:47:05,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499305624] [2023-11-26 11:47:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:05,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:05,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:05,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:47:05,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:47:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:05,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:47:05,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:05,567 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 11:47:05,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:47:05,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499305624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:05,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 11:47:05,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-11-26 11:47:05,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403303425] [2023-11-26 11:47:05,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:05,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:47:05,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:05,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:47:05,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:47:05,570 INFO L87 Difference]: Start difference. First operand 69 states and 90 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11:47:05,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:05,617 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions. [2023-11-26 11:47:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:47:05,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 12 [2023-11-26 11:47:05,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:05,620 INFO L225 Difference]: With dead ends: 71 [2023-11-26 11:47:05,620 INFO L226 Difference]: Without dead ends: 70 [2023-11-26 11:47:05,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:47:05,622 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 30 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:05,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 108 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:05,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-26 11:47:05,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2023-11-26 11:47:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.423728813559322) internal successors, (84), 63 states have internal predecessors, (84), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2023-11-26 11:47:05,634 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 12 [2023-11-26 11:47:05,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:05,634 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2023-11-26 11:47:05,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11:47:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-26 11:47:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-26 11:47:05,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:05,636 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:05,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:05,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:05,842 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:05,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:05,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1287376556, now seen corresponding path program 1 times [2023-11-26 11:47:05,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:05,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181501025] [2023-11-26 11:47:05,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:05,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:47:05,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:05,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181501025] [2023-11-26 11:47:05,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181501025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:05,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:05,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:05,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283581184] [2023-11-26 11:47:05,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:05,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:05,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:05,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:05,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:05,953 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 11:47:05,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:05,992 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2023-11-26 11:47:05,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:05,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 11:47:05,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:05,995 INFO L225 Difference]: With dead ends: 68 [2023-11-26 11:47:05,997 INFO L226 Difference]: Without dead ends: 67 [2023-11-26 11:47:05,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:06,001 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:06,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:06,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-26 11:47:06,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2023-11-26 11:47:06,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 58 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:06,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2023-11-26 11:47:06,025 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 13 [2023-11-26 11:47:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:06,026 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2023-11-26 11:47:06,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 11:47:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-26 11:47:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 11:47:06,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:06,029 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 11:47:06,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:47:06,029 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:06,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:06,033 INFO L85 PathProgramCache]: Analyzing trace with hash 2078542808, now seen corresponding path program 1 times [2023-11-26 11:47:06,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:06,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323744038] [2023-11-26 11:47:06,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:06,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:06,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:06,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323744038] [2023-11-26 11:47:06,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323744038] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:47:06,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963033765] [2023-11-26 11:47:06,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:06,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:06,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:06,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:47:06,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:47:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:06,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:47:06,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:06,450 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:47:06,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:06,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963033765] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:47:06,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:47:06,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-26 11:47:06,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334267946] [2023-11-26 11:47:06,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:47:06,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 11:47:06,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:06,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:47:06,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:47:06,488 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 11:47:06,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:06,584 INFO L93 Difference]: Finished difference Result 137 states and 181 transitions. [2023-11-26 11:47:06,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:47:06,589 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 11:47:06,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:06,592 INFO L225 Difference]: With dead ends: 137 [2023-11-26 11:47:06,593 INFO L226 Difference]: Without dead ends: 75 [2023-11-26 11:47:06,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:47:06,598 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 8 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:06,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 296 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:06,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-26 11:47:06,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-26 11:47:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 67 states have (on average 1.3432835820895523) internal successors, (90), 70 states have internal predecessors, (90), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 94 transitions. [2023-11-26 11:47:06,614 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 94 transitions. Word has length 18 [2023-11-26 11:47:06,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:06,615 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 94 transitions. [2023-11-26 11:47:06,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 11:47:06,615 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2023-11-26 11:47:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-26 11:47:06,616 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:06,617 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:06,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:06,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:06,818 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:06,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1300380376, now seen corresponding path program 2 times [2023-11-26 11:47:06,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:06,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984738176] [2023-11-26 11:47:06,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:06,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:07,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:47:07,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:07,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984738176] [2023-11-26 11:47:07,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984738176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:07,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:07,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:47:07,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553777821] [2023-11-26 11:47:07,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:07,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:47:07,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:07,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:47:07,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:47:07,064 INFO L87 Difference]: Start difference. First operand 75 states and 94 transitions. Second operand has 5 states, 4 states have (on average 4.25) 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 11:47:07,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:07,169 INFO L93 Difference]: Finished difference Result 103 states and 132 transitions. [2023-11-26 11:47:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:47:07,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) 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 24 [2023-11-26 11:47:07,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:07,171 INFO L225 Difference]: With dead ends: 103 [2023-11-26 11:47:07,171 INFO L226 Difference]: Without dead ends: 102 [2023-11-26 11:47:07,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:07,172 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 26 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:07,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 106 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:47:07,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-26 11:47:07,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 87. [2023-11-26 11:47:07,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 82 states have internal predecessors, (108), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2023-11-26 11:47:07,183 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 24 [2023-11-26 11:47:07,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:07,184 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2023-11-26 11:47:07,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) 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 11:47:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2023-11-26 11:47:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-26 11:47:07,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:07,186 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:07,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:47:07,186 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting create_dataErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:07,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:07,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1657086077, now seen corresponding path program 1 times [2023-11-26 11:47:07,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:07,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663037191] [2023-11-26 11:47:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:07,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:47:07,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:07,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663037191] [2023-11-26 11:47:07,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663037191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:07,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:07,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:47:07,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033156963] [2023-11-26 11:47:07,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:07,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:47:07,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:07,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:47:07,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:47:07,426 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 11:47:07,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:07,556 INFO L93 Difference]: Finished difference Result 102 states and 130 transitions. [2023-11-26 11:47:07,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:47:07,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 25 [2023-11-26 11:47:07,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:07,558 INFO L225 Difference]: With dead ends: 102 [2023-11-26 11:47:07,558 INFO L226 Difference]: Without dead ends: 101 [2023-11-26 11:47:07,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:07,559 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 21 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:07,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 108 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:47:07,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-26 11:47:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 89. [2023-11-26 11:47:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 84 states have internal predecessors, (110), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2023-11-26 11:47:07,574 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 25 [2023-11-26 11:47:07,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:07,574 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2023-11-26 11:47:07,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 11:47:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2023-11-26 11:47:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-26 11:47:07,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:07,579 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:07,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:47:07,579 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting create_dataErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:07,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:07,580 INFO L85 PathProgramCache]: Analyzing trace with hash -974803296, now seen corresponding path program 1 times [2023-11-26 11:47:07,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:07,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971195168] [2023-11-26 11:47:07,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:07,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:47:08,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:08,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971195168] [2023-11-26 11:47:08,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971195168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:08,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:08,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:47:08,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723634506] [2023-11-26 11:47:08,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:08,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:47:08,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:08,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:47:08,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:47:08,140 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 11:47:08,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:08,376 INFO L93 Difference]: Finished difference Result 123 states and 156 transitions. [2023-11-26 11:47:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:47:08,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 27 [2023-11-26 11:47:08,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:08,378 INFO L225 Difference]: With dead ends: 123 [2023-11-26 11:47:08,379 INFO L226 Difference]: Without dead ends: 121 [2023-11-26 11:47:08,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:08,380 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 30 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:08,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 136 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:47:08,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-26 11:47:08,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 99. [2023-11-26 11:47:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 94 states have internal predecessors, (122), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:08,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 126 transitions. [2023-11-26 11:47:08,393 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 126 transitions. Word has length 27 [2023-11-26 11:47:08,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:08,393 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 126 transitions. [2023-11-26 11:47:08,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 11:47:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2023-11-26 11:47:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-26 11:47:08,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:08,395 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:08,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:47:08,396 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting create_dataErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:08,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:08,396 INFO L85 PathProgramCache]: Analyzing trace with hash -396517863, now seen corresponding path program 1 times [2023-11-26 11:47:08,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418635609] [2023-11-26 11:47:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:08,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:47:09,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:09,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418635609] [2023-11-26 11:47:09,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418635609] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:47:09,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786172380] [2023-11-26 11:47:09,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:09,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:09,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:09,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:47:09,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:47:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:09,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-26 11:47:09,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:09,816 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-26 11:47:09,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 13 [2023-11-26 11:47:09,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:47:09,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 11 [2023-11-26 11:47:09,951 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-26 11:47:09,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2023-11-26 11:47:09,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-26 11:47:10,003 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-26 11:47:10,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-26 11:47:10,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 61 [2023-11-26 11:47:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:47:10,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 38 [2023-11-26 11:47:10,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-11-26 11:47:10,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2023-11-26 11:47:10,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:47:10,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-26 11:47:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:47:10,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:47:10,319 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_create_data_~nextData~0.base_5 Int) (v_ArrVal_582 (Array Int Int)) (v_ArrVal_580 Int) (v_ArrVal_584 (Array Int Int)) (v_ArrVal_583 (Array Int Int))) (or (not (= (let ((.cse0 (+ c_create_data_~nextData~0.offset 12))) (store (store (select (store (store |c_#memory_int#1| c_create_data_~nextData~0.base (store (select |c_#memory_int#1| c_create_data_~nextData~0.base) c_create_data_~nextData~0.offset v_ArrVal_580)) c_create_data_~data~0.base v_ArrVal_583) c_create_data_~nextData~0.base) (+ c_create_data_~nextData~0.offset 8) 0) .cse0 (select v_ArrVal_582 .cse0))) v_ArrVal_582)) (< 0 (+ 2147483449 (select (select (store (store (store |c_#memory_int#1| c_create_data_~data~0.base v_ArrVal_583) c_create_data_~nextData~0.base v_ArrVal_582) v_create_data_~nextData~0.base_5 v_ArrVal_584) c_create_data_~nextData~0.base) c_create_data_~nextData~0.offset))) (< (+ v_ArrVal_580 200) |c_create_data_#t~mem22|) (not (= (select |c_#valid| v_create_data_~nextData~0.base_5) 0)))) is different from false [2023-11-26 11:47:10,409 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_579 (Array Int Int)) (v_create_data_~nextData~0.base_5 Int) (v_create_data_~nextData~0.base_6 Int) (v_ArrVal_582 (Array Int Int)) (v_ArrVal_580 Int) (v_ArrVal_584 (Array Int Int)) (v_ArrVal_583 (Array Int Int))) (or (< 0 (+ 2147483449 (select (select (store (store (store |c_#memory_int#1| c_create_data_~data~0.base v_ArrVal_583) v_create_data_~nextData~0.base_6 v_ArrVal_582) v_create_data_~nextData~0.base_5 v_ArrVal_584) v_create_data_~nextData~0.base_6) 0))) (< (+ v_ArrVal_580 200) (select (select (store |c_#memory_int#1| v_create_data_~nextData~0.base_6 v_ArrVal_579) c_create_data_~data~0.base) c_create_data_~data~0.offset)) (not (= (select (store |c_#valid| v_create_data_~nextData~0.base_6 1) v_create_data_~nextData~0.base_5) 0)) (not (= v_ArrVal_582 (store (store (select (store (store |c_#memory_int#1| v_create_data_~nextData~0.base_6 (store v_ArrVal_579 0 v_ArrVal_580)) c_create_data_~data~0.base v_ArrVal_583) v_create_data_~nextData~0.base_6) 8 0) 12 (select v_ArrVal_582 12)))) (not (= (select |c_#valid| v_create_data_~nextData~0.base_6) 0)))) is different from false [2023-11-26 11:47:10,519 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_579 (Array Int Int)) (v_create_data_~nextData~0.base_5 Int) (v_create_data_~nextData~0.base_6 Int) (v_ArrVal_580 Int) (v_ArrVal_582 (Array Int Int)) (v_ArrVal_584 (Array Int Int)) (v_ArrVal_583 (Array Int Int)) (v_ArrVal_576 (Array Int Int))) (or (< 0 (+ 2147483449 (select (select (store (store (store |c_#memory_int#1| c_create_data_~data~0.base v_ArrVal_583) v_create_data_~nextData~0.base_6 v_ArrVal_582) v_create_data_~nextData~0.base_5 v_ArrVal_584) v_create_data_~nextData~0.base_6) 0))) (not (= (select (store |c_#valid| v_create_data_~nextData~0.base_6 1) v_create_data_~nextData~0.base_5) 0)) (not (= v_ArrVal_576 (let ((.cse1 (+ c_create_data_~data~0.offset 12))) (store (let ((.cse0 (+ c_create_data_~data~0.offset 8))) (store (select |c_#memory_int#1| c_create_data_~data~0.base) .cse0 (select v_ArrVal_576 .cse0))) .cse1 (select v_ArrVal_576 .cse1))))) (not (= v_ArrVal_582 (store (store (select (store (store |c_#memory_int#1| v_create_data_~nextData~0.base_6 (store v_ArrVal_579 0 v_ArrVal_580)) c_create_data_~data~0.base v_ArrVal_583) v_create_data_~nextData~0.base_6) 8 0) 12 (select v_ArrVal_582 12)))) (< (+ v_ArrVal_580 200) (select (select (store (store |c_#memory_int#1| c_create_data_~data~0.base v_ArrVal_576) v_create_data_~nextData~0.base_6 v_ArrVal_579) c_create_data_~data~0.base) c_create_data_~data~0.offset)) (not (= (select |c_#valid| v_create_data_~nextData~0.base_6) 0)))) is different from false [2023-11-26 11:47:10,791 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-26 11:47:10,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 95 [2023-11-26 11:47:10,872 INFO L349 Elim1Store]: treesize reduction 44, result has 47.6 percent of original size [2023-11-26 11:47:10,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 75 [2023-11-26 11:47:10,903 INFO L349 Elim1Store]: treesize reduction 9, result has 40.0 percent of original size [2023-11-26 11:47:10,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 25 [2023-11-26 11:47:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 3 not checked. [2023-11-26 11:47:11,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786172380] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:47:11,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:47:11,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 15 [2023-11-26 11:47:11,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013652158] [2023-11-26 11:47:11,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:47:11,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-26 11:47:11,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-26 11:47:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=114, Unknown=3, NotChecked=72, Total=240 [2023-11-26 11:47:11,077 INFO L87 Difference]: Start difference. First operand 99 states and 126 transitions. Second operand has 16 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 16 states have internal predecessors, (56), 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 11:47:11,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:11,931 INFO L93 Difference]: Finished difference Result 137 states and 172 transitions. [2023-11-26 11:47:11,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:47:11,933 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 16 states have internal predecessors, (56), 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 31 [2023-11-26 11:47:11,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:11,934 INFO L225 Difference]: With dead ends: 137 [2023-11-26 11:47:11,934 INFO L226 Difference]: Without dead ends: 136 [2023-11-26 11:47:11,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=192, Unknown=3, NotChecked=96, Total=380 [2023-11-26 11:47:11,936 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 67 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 205 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:11,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 328 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 160 Invalid, 0 Unknown, 205 Unchecked, 0.7s Time] [2023-11-26 11:47:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-26 11:47:11,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 105. [2023-11-26 11:47:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 97 states have (on average 1.3402061855670102) internal successors, (130), 100 states have internal predecessors, (130), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 134 transitions. [2023-11-26 11:47:11,953 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 134 transitions. Word has length 31 [2023-11-26 11:47:11,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:11,954 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 134 transitions. [2023-11-26 11:47:11,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 16 states have internal predecessors, (56), 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 11:47:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 134 transitions. [2023-11-26 11:47:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-26 11:47:11,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:11,963 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:11,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:12,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:12,171 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:47:12,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:12,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2044961979, now seen corresponding path program 1 times [2023-11-26 11:47:12,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:12,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144783945] [2023-11-26 11:47:12,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:12,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:47:12,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:47:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:47:12,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:47:12,295 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:47:12,297 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-26 11:47:12,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-26 11:47:12,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-26 11:47:12,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-26 11:47:12,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-26 11:47:12,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-26 11:47:12,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:47:12,304 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:12,308 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:47:12,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-26 11:47:12,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-26 11:47:12,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-26 11:47:12,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-26 11:47:12,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-26 11:47:12,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-26 11:47:12,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-26 11:47:12,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-26 11:47:12,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-26 11:47:12,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-26 11:47:12,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:47:12 BoogieIcfgContainer [2023-11-26 11:47:12,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:47:12,356 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:47:12,356 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:47:12,356 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:47:12,357 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:04" (3/4) ... [2023-11-26 11:47:12,357 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-26 11:47:12,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-26 11:47:12,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-26 11:47:12,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-26 11:47:12,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-26 11:47:12,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-26 11:47:12,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-26 11:47:12,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:47:12,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:47:12,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-26 11:47:12,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-26 11:47:12,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:47:12,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-26 11:47:12,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-26 11:47:12,419 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:47:12,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:47:12,420 INFO L158 Benchmark]: Toolchain (without parser) took 9680.65ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 104.0MB in the beginning and 69.9MB in the end (delta: 34.0MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,420 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:12,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.81ms. Allocated memory is still 148.9MB. Free memory was 103.4MB in the beginning and 85.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.89ms. Allocated memory is still 148.9MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,421 INFO L158 Benchmark]: Boogie Preprocessor took 76.06ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 80.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,421 INFO L158 Benchmark]: RCFGBuilder took 691.62ms. Allocated memory is still 148.9MB. Free memory was 79.6MB in the beginning and 104.1MB in the end (delta: -24.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,422 INFO L158 Benchmark]: TraceAbstraction took 8274.37ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 103.3MB in the beginning and 74.1MB in the end (delta: 29.2MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,423 INFO L158 Benchmark]: Witness Printer took 63.45ms. Allocated memory is still 218.1MB. Free memory was 74.1MB in the beginning and 69.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.81ms. Allocated memory is still 148.9MB. Free memory was 103.4MB in the beginning and 85.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.89ms. Allocated memory is still 148.9MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.06ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 80.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 691.62ms. Allocated memory is still 148.9MB. Free memory was 79.6MB in the beginning and 104.1MB in the end (delta: -24.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8274.37ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 103.3MB in the beginning and 74.1MB in the end (delta: 29.2MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. * Witness Printer took 63.45ms. Allocated memory is still 218.1MB. Free memory was 74.1MB in the beginning and 69.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 564]: integer overflow possible integer overflow possible We found a FailurePath: [L598] struct node_t *list = ((void *)0); [L598] struct node_t *list = ((void *)0); [L599] int dataNotFinished = 0; VAL [dataNotFinished=0, list={3:0}] [L601] CALL append(&list) [L588] struct node_t *node = malloc(sizeof *node); [L589] EXPR \read(**pointerToList) [L589] node->next = *pointerToList [L590] EXPR \read(**pointerToList) [L590] COND TRUE *pointerToList == ((void *)0) [L591] CALL create_data(((void *)0)) VAL [prevData={0:0}] [L552] prevData != ((void *)0) && prevData->hasNextPartReference VAL [prevData={0:0}, prevData={0:0}] [L552] prevData != ((void *)0) && prevData->hasNextPartReference VAL [prevData={0:0}, prevData={0:0}] [L552] COND FALSE !(prevData != ((void *)0) && prevData->hasNextPartReference) [L555] Data data = malloc(sizeof *data); [L556] data->array = (int*) malloc(20 * sizeof(data->array)) [L557] int counter = 0; [L558] counter = 0 VAL [counter=0, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 3 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=1, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 3 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=2, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 3 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND FALSE !(counter < 3) VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}] [L561] data->number = 0 [L562] int userInput = __VERIFIER_nondet_int(); [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] COND TRUE __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 && userInput < 200 && userInput > -200 [L564] EXPR data->number [L564] EXPR data->number + __VERIFIER_nondet_int() [L564] data->number = data->number + __VERIFIER_nondet_int() [L565] userInput = __VERIFIER_nondet_int() [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] COND TRUE __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 && userInput < 200 && userInput > -200 [L564] EXPR data->number [L564] data->number + __VERIFIER_nondet_int() VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] - UnprovableResult [Line: 558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 218 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 218 mSDsluCounter, 1438 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 205 IncrementalHoareTripleChecker+Unchecked, 1054 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 424 IncrementalHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 384 mSDtfsCounter, 424 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 102 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=9, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 92 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 264 ConstructedInterpolants, 27 QuantifiedInterpolants, 2086 SizeOfPredicates, 10 NumberOfNonLiveVariables, 730 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 77/91 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-26 11:47:12,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f97b8b-f744-4f3f-99a6-f90133c65f27/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)