./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_34_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/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_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8cef1b00f83cce6098fab6bab55984a099dfc546658ece103d933fe5e8955d82 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:54,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:54,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:45:54,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:54,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:54,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:54,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:54,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:54,832 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:45:54,837 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:45:54,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:45:54,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:45:54,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:54,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:54,843 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:54,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:54,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:45:54,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:45:54,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:54,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:45:54,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:45:54,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:45:54,847 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:45:54,848 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:45:54,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:54,849 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:54,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:54,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:54,851 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:45:54,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:45:54,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:54,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:54,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:45:54,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:45:54,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:45:54,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:45:54,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:45:54,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:45:54,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:45:54,857 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:45:54,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:45:54,858 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_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cef1b00f83cce6098fab6bab55984a099dfc546658ece103d933fe5e8955d82 [2023-11-26 10:45:55,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:55,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:55,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:55,233 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:55,233 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:55,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_34_good.i [2023-11-26 10:45:58,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:45:58,806 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:45:58,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_34_good.i [2023-11-26 10:45:58,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/data/eea4953b2/a69b417d6e4142209580f147bbf94531/FLAG0cdcebffd [2023-11-26 10:45:58,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/data/eea4953b2/a69b417d6e4142209580f147bbf94531 [2023-11-26 10:45:58,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:45:58,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:45:58,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:58,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:45:58,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:45:58,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:58" (1/1) ... [2023-11-26 10:45:58,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7adf5719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:58, skipping insertion in model container [2023-11-26 10:45:58,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:58" (1/1) ... [2023-11-26 10:45:58,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:00,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:00,225 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:00,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:00,554 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:46:00,555 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:46:00,555 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:46:00,555 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:46:00,562 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:00,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00 WrapperNode [2023-11-26 10:46:00,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:00,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:00,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:00,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:00,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,682 INFO L138 Inliner]: procedures = 500, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-26 10:46:00,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:00,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:00,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:00,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:00,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,700 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,724 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [1, 3, 2, 2]. 38 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0, 0]. The 4 writes are split as follows [0, 2, 1, 1]. [2023-11-26 10:46:00,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:00,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:00,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:00,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:00,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (1/1) ... [2023-11-26 10:46:00,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:00,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:00,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 10:46:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 10:46:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 10:46:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 10:46:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:46:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:46:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:46:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:46:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:46:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:46:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 10:46:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:46:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:46:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:46:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:46:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:46:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:46:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:46:01,059 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:01,061 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:01,256 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:01,298 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:01,298 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:46:01,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:01 BoogieIcfgContainer [2023-11-26 10:46:01,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:01,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:01,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:01,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:01,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:45:58" (1/3) ... [2023-11-26 10:46:01,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433a9b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:01, skipping insertion in model container [2023-11-26 10:46:01,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:00" (2/3) ... [2023-11-26 10:46:01,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433a9b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:01, skipping insertion in model container [2023-11-26 10:46:01,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:01" (3/3) ... [2023-11-26 10:46:01,308 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_34_good.i [2023-11-26 10:46:01,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:01,329 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-26 10:46:01,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:01,386 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;@24e9fe7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:01,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-26 10:46:01,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 23 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:46:01,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 10:46:01,397 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:01,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:01,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:46:01,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:01,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1028023708, now seen corresponding path program 1 times [2023-11-26 10:46:01,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:01,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815152855] [2023-11-26 10:46:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:01,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:01,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:01,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:01,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815152855] [2023-11-26 10:46:01,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815152855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:01,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:01,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:46:01,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643913949] [2023-11-26 10:46:01,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:01,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:46:01,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:01,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:46:01,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:46:01,866 INFO L87 Difference]: Start difference. First operand has 31 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 23 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:46:01,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:01,964 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2023-11-26 10:46:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:46:01,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-26 10:46:01,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:01,978 INFO L225 Difference]: With dead ends: 52 [2023-11-26 10:46:01,978 INFO L226 Difference]: Without dead ends: 22 [2023-11-26 10:46:01,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:46:01,986 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:01,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:46:02,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-26 10:46:02,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-26 10:46:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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 10:46:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2023-11-26 10:46:02,041 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 9 [2023-11-26 10:46:02,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:02,043 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2023-11-26 10:46:02,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:46:02,044 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2023-11-26 10:46:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-26 10:46:02,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:02,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:02,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:46:02,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:46:02,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:02,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1803963825, now seen corresponding path program 1 times [2023-11-26 10:46:02,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:02,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695396866] [2023-11-26 10:46:02,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:02,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:02,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:02,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695396866] [2023-11-26 10:46:02,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695396866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:02,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:02,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:46:02,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758618183] [2023-11-26 10:46:02,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:02,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:46:02,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:02,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:46:02,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:46:02,369 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:46:02,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:02,388 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2023-11-26 10:46:02,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:46:02,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-26 10:46:02,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:02,391 INFO L225 Difference]: With dead ends: 22 [2023-11-26 10:46:02,391 INFO L226 Difference]: Without dead ends: 21 [2023-11-26 10:46:02,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:46:02,396 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:02,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:02,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-26 10:46:02,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-26 10:46:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 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 10:46:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2023-11-26 10:46:02,412 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 10 [2023-11-26 10:46:02,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:02,414 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2023-11-26 10:46:02,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:46:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2023-11-26 10:46:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 10:46:02,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:02,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:02,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:46:02,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:46:02,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:02,421 INFO L85 PathProgramCache]: Analyzing trace with hash 40799080, now seen corresponding path program 1 times [2023-11-26 10:46:02,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:02,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101381506] [2023-11-26 10:46:02,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:02,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:02,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 10:46:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:02,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:02,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101381506] [2023-11-26 10:46:02,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101381506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:02,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:02,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:46:02,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636140943] [2023-11-26 10:46:02,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:02,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:46:02,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:02,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:46:02,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:46:02,568 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:46:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:02,593 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2023-11-26 10:46:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:46:02,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2023-11-26 10:46:02,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:02,596 INFO L225 Difference]: With dead ends: 21 [2023-11-26 10:46:02,596 INFO L226 Difference]: Without dead ends: 20 [2023-11-26 10:46:02,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:46:02,605 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:02,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 27 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:02,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-11-26 10:46:02,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-26 10:46:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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 10:46:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2023-11-26 10:46:02,614 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2023-11-26 10:46:02,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:02,615 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2023-11-26 10:46:02,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:46:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2023-11-26 10:46:02,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-26 10:46:02,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:02,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:02,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:46:02,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:46:02,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:02,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1264771549, now seen corresponding path program 1 times [2023-11-26 10:46:02,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:02,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024090656] [2023-11-26 10:46:02,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:02,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 10:46:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:02,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:02,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:02,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024090656] [2023-11-26 10:46:02,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024090656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:02,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:02,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:46:02,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044998078] [2023-11-26 10:46:02,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:02,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:46:02,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:02,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:46:02,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:46:02,739 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:46:02,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:02,764 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2023-11-26 10:46:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:46:02,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-11-26 10:46:02,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:02,766 INFO L225 Difference]: With dead ends: 20 [2023-11-26 10:46:02,767 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:46:02,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:46:02,783 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:02,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:02,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:46:02,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:46:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:46:02,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-26 10:46:02,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:02,788 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:46:02,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:46:02,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:46:02,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:46:02,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-26 10:46:02,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-26 10:46:02,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-26 10:46:02,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-26 10:46:02,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:46:02,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:46:02,816 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 10:46:02,816 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:46:02,817 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 10:46:02,817 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:46:02,817 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 10:46:02,817 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 10:46:02,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-26 10:46:02,818 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2023-11-26 10:46:02,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:46:02,818 INFO L902 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: true [2023-11-26 10:46:02,818 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-26 10:46:02,819 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-26 10:46:02,819 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2023-11-26 10:46:02,819 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-26 10:46:02,819 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2023-11-26 10:46:02,819 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2023-11-26 10:46:02,820 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1588) no Hoare annotation was computed. [2023-11-26 10:46:02,820 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1589) no Hoare annotation was computed. [2023-11-26 10:46:02,820 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:46:02,820 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 1578 1589) no Hoare annotation was computed. [2023-11-26 10:46:02,821 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-26 10:46:02,821 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-26 10:46:02,821 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-26 10:46:02,821 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-26 10:46:02,822 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1566) no Hoare annotation was computed. [2023-11-26 10:46:02,822 INFO L899 garLoopResultBuilder]: For program point L1562-2(lines 1562 1566) no Hoare annotation was computed. [2023-11-26 10:46:02,822 INFO L902 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: true [2023-11-26 10:46:02,823 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2023-11-26 10:46:02,823 INFO L902 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true [2023-11-26 10:46:02,823 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2023-11-26 10:46:02,823 INFO L902 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: true [2023-11-26 10:46:02,827 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:46:02,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:46:02,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:46:02 BoogieIcfgContainer [2023-11-26 10:46:02,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:46:02,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:46:02,838 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:46:02,840 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:46:02,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:01" (3/4) ... [2023-11-26 10:46:02,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:46:02,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 10:46:02,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 10:46:02,852 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-26 10:46:02,853 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-26 10:46:02,853 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 10:46:02,872 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:46:02,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:46:02,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:46:02,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:46:02,963 INFO L158 Benchmark]: Toolchain (without parser) took 4084.46ms. Allocated memory is still 203.4MB. Free memory was 151.7MB in the beginning and 165.7MB in the end (delta: -13.9MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2023-11-26 10:46:02,963 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory was 96.8MB in the beginning and 96.8MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:02,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1685.98ms. Allocated memory is still 203.4MB. Free memory was 151.7MB in the beginning and 88.8MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-26 10:46:02,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.86ms. Allocated memory is still 203.4MB. Free memory was 88.8MB in the beginning and 170.7MB in the end (delta: -81.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-26 10:46:02,964 INFO L158 Benchmark]: Boogie Preprocessor took 61.37ms. Allocated memory is still 203.4MB. Free memory was 170.7MB in the beginning and 168.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:46:02,965 INFO L158 Benchmark]: RCFGBuilder took 553.34ms. Allocated memory is still 203.4MB. Free memory was 168.0MB in the beginning and 150.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:46:02,965 INFO L158 Benchmark]: TraceAbstraction took 1534.09ms. Allocated memory is still 203.4MB. Free memory was 150.1MB in the beginning and 71.5MB in the end (delta: 78.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-26 10:46:02,965 INFO L158 Benchmark]: Witness Printer took 125.13ms. Allocated memory is still 203.4MB. Free memory was 71.5MB in the beginning and 165.7MB in the end (delta: -94.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-26 10:46:02,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory was 96.8MB in the beginning and 96.8MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1685.98ms. Allocated memory is still 203.4MB. Free memory was 151.7MB in the beginning and 88.8MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.86ms. Allocated memory is still 203.4MB. Free memory was 88.8MB in the beginning and 170.7MB in the end (delta: -81.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.37ms. Allocated memory is still 203.4MB. Free memory was 170.7MB in the beginning and 168.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 553.34ms. Allocated memory is still 203.4MB. Free memory was 168.0MB in the beginning and 150.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1534.09ms. Allocated memory is still 203.4MB. Free memory was 150.1MB in the beginning and 71.5MB in the end (delta: 78.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 125.13ms. Allocated memory is still 203.4MB. Free memory was 71.5MB in the beginning and 165.7MB in the end (delta: -94.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 31 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 70 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 13 PreInvPairs, 16 NumberOfFragments, 9 HoareAnnotationTreeSize, 13 FomulaSimplifications, 4 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:46:02,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f10d0a-c83f-4066-ba45-a22a0f1b728e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE