./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --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 04feb5c83918fd751a112898fdf968c7fd7558ae ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:06:36,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:06:36,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:06:36,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:06:36,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:06:36,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:06:36,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:06:36,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:06:36,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:06:36,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:06:36,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:06:36,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:06:36,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:06:36,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:06:36,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:06:36,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:06:36,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:06:36,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:06:36,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:06:36,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:06:36,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:06:36,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:06:36,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:06:36,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:06:36,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:06:36,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:06:36,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:06:36,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:06:36,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:06:36,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:06:36,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:06:36,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:06:36,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:06:36,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:06:36,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:06:36,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:06:36,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:06:36,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:06:36,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:06:36,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:06:36,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:06:36,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-29 21:06:36,777 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:06:36,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:06:36,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:06:36,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:06:36,780 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:06:36,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:06:36,780 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:06:36,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:06:36,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:06:36,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:06:36,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:06:36,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:06:36,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:06:36,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:06:36,783 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 21:06:36,783 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:06:36,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:06:36,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:06:36,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:06:36,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:06:36,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:06:36,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:06:36,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:06:36,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:06:36,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:06:36,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:06:36,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:06:36,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:06:36,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:06:36,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:06:36,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:06:36,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04feb5c83918fd751a112898fdf968c7fd7558ae [2020-11-29 21:06:37,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:06:37,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:06:37,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:06:37,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:06:37,080 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:06:37,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-11-29 21:06:37,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/data/d1c8ecba7/76d6a7c22d6b4c8cae9ef08167815714/FLAG93dcc9960 [2020-11-29 21:06:37,623 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:06:37,624 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-11-29 21:06:37,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/data/d1c8ecba7/76d6a7c22d6b4c8cae9ef08167815714/FLAG93dcc9960 [2020-11-29 21:06:37,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/data/d1c8ecba7/76d6a7c22d6b4c8cae9ef08167815714 [2020-11-29 21:06:38,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:06:38,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:06:38,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:06:38,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:06:38,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:06:38,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:06:37" (1/1) ... [2020-11-29 21:06:38,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df40db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38, skipping insertion in model container [2020-11-29 21:06:38,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:06:37" (1/1) ... [2020-11-29 21:06:38,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:06:38,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:06:38,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:06:38,403 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:06:38,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:06:38,473 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:06:38,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38 WrapperNode [2020-11-29 21:06:38,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:06:38,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:06:38,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:06:38,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:06:38,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... [2020-11-29 21:06:38,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... [2020-11-29 21:06:38,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:06:38,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:06:38,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:06:38,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:06:38,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... [2020-11-29 21:06:38,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... [2020-11-29 21:06:38,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... [2020-11-29 21:06:38,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... [2020-11-29 21:06:38,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... [2020-11-29 21:06:38,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... [2020-11-29 21:06:38,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... [2020-11-29 21:06:38,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:06:38,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:06:38,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:06:38,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:06:38,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:06:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:06:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:06:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:06:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:06:38,932 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 21:06:39,902 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-29 21:06:39,903 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-29 21:06:39,912 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:06:39,913 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 21:06:39,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:06:39 BoogieIcfgContainer [2020-11-29 21:06:39,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:06:39,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:06:39,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:06:39,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:06:39,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:06:37" (1/3) ... [2020-11-29 21:06:39,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725a3056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:06:39, skipping insertion in model container [2020-11-29 21:06:39,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:06:38" (2/3) ... [2020-11-29 21:06:39,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725a3056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:06:39, skipping insertion in model container [2020-11-29 21:06:39,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:06:39" (3/3) ... [2020-11-29 21:06:39,923 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2020-11-29 21:06:39,934 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:06:39,938 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-29 21:06:39,950 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-29 21:06:39,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:06:39,978 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:06:39,978 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:06:39,978 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:06:39,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:06:39,978 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:06:39,978 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:06:39,978 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:06:39,998 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-11-29 21:06:40,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:06:40,004 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:06:40,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:06:40,005 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 21:06:40,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:06:40,011 INFO L82 PathProgramCache]: Analyzing trace with hash -157109558, now seen corresponding path program 1 times [2020-11-29 21:06:40,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:06:40,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451765786] [2020-11-29 21:06:40,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:06:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:06:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:06:40,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451765786] [2020-11-29 21:06:40,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:06:40,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:06:40,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554567332] [2020-11-29 21:06:40,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:06:40,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:06:40,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:06:40,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:06:40,224 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2020-11-29 21:06:40,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:06:40,289 INFO L93 Difference]: Finished difference Result 271 states and 458 transitions. [2020-11-29 21:06:40,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:06:40,291 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2020-11-29 21:06:40,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:06:40,299 INFO L225 Difference]: With dead ends: 271 [2020-11-29 21:06:40,299 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 21:06:40,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:06:40,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 21:06:40,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 21:06:40,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 21:06:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 21:06:40,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-11-29 21:06:40,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:06:40,338 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:06:40,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:06:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:06:40,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:06:40,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:06:40,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 21:06:40,481 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 269) no Hoare annotation was computed. [2020-11-29 21:06:40,481 INFO L274 CegarLoopResult]: For program point L630(lines 630 654) no Hoare annotation was computed. [2020-11-29 21:06:40,481 INFO L274 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2020-11-29 21:06:40,481 INFO L274 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2020-11-29 21:06:40,482 INFO L274 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-11-29 21:06:40,482 INFO L274 CegarLoopResult]: For program point L564-2(lines 564 568) no Hoare annotation was computed. [2020-11-29 21:06:40,482 INFO L274 CegarLoopResult]: For program point L531-2(lines 213 590) no Hoare annotation was computed. [2020-11-29 21:06:40,482 INFO L274 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-11-29 21:06:40,482 INFO L274 CegarLoopResult]: For program point L366-2(lines 365 382) no Hoare annotation was computed. [2020-11-29 21:06:40,482 INFO L274 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-11-29 21:06:40,482 INFO L274 CegarLoopResult]: For program point L267-1(line 267) no Hoare annotation was computed. [2020-11-29 21:06:40,483 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 21:06:40,483 INFO L274 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-11-29 21:06:40,483 INFO L274 CegarLoopResult]: For program point L631(lines 631 640) no Hoare annotation was computed. [2020-11-29 21:06:40,483 INFO L274 CegarLoopResult]: For program point L664-2(lines 664 668) no Hoare annotation was computed. [2020-11-29 21:06:40,483 INFO L274 CegarLoopResult]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2020-11-29 21:06:40,483 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-11-29 21:06:40,484 INFO L274 CegarLoopResult]: For program point L334-1(lines 334 343) no Hoare annotation was computed. [2020-11-29 21:06:40,484 INFO L274 CegarLoopResult]: For program point L235(lines 235 240) no Hoare annotation was computed. [2020-11-29 21:06:40,484 INFO L274 CegarLoopResult]: For program point L202(lines 202 596) no Hoare annotation was computed. [2020-11-29 21:06:40,484 INFO L274 CegarLoopResult]: For program point L169(lines 169 607) no Hoare annotation was computed. [2020-11-29 21:06:40,484 INFO L274 CegarLoopResult]: For program point L136(lines 136 618) no Hoare annotation was computed. [2020-11-29 21:06:40,488 INFO L277 CegarLoopResult]: At program point L103-2(lines 103 659) the Hoare annotation is: true [2020-11-29 21:06:40,488 INFO L274 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-11-29 21:06:40,488 INFO L274 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-11-29 21:06:40,489 INFO L277 CegarLoopResult]: At program point L170(lines 169 607) the Hoare annotation is: true [2020-11-29 21:06:40,489 INFO L277 CegarLoopResult]: At program point L137(lines 130 620) the Hoare annotation is: true [2020-11-29 21:06:40,490 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 21:06:40,490 INFO L274 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-11-29 21:06:40,491 INFO L274 CegarLoopResult]: For program point L205(lines 205 595) no Hoare annotation was computed. [2020-11-29 21:06:40,491 INFO L274 CegarLoopResult]: For program point L172(lines 172 606) no Hoare annotation was computed. [2020-11-29 21:06:40,491 INFO L274 CegarLoopResult]: For program point L139(lines 139 617) no Hoare annotation was computed. [2020-11-29 21:06:40,491 INFO L274 CegarLoopResult]: For program point L106(lines 106 628) no Hoare annotation was computed. [2020-11-29 21:06:40,492 INFO L274 CegarLoopResult]: For program point L338(lines 338 342) no Hoare annotation was computed. [2020-11-29 21:06:40,493 INFO L277 CegarLoopResult]: At program point L206(lines 202 596) the Hoare annotation is: true [2020-11-29 21:06:40,493 INFO L277 CegarLoopResult]: At program point L107(lines 106 628) the Hoare annotation is: true [2020-11-29 21:06:40,493 INFO L274 CegarLoopResult]: For program point L471(lines 471 482) no Hoare annotation was computed. [2020-11-29 21:06:40,493 INFO L274 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2020-11-29 21:06:40,493 INFO L277 CegarLoopResult]: At program point L372(lines 355 390) the Hoare annotation is: true [2020-11-29 21:06:40,494 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2020-11-29 21:06:40,494 INFO L277 CegarLoopResult]: At program point L406(lines 397 428) the Hoare annotation is: true [2020-11-29 21:06:40,495 INFO L274 CegarLoopResult]: For program point L241(lines 241 246) no Hoare annotation was computed. [2020-11-29 21:06:40,495 INFO L274 CegarLoopResult]: For program point L208(lines 208 594) no Hoare annotation was computed. [2020-11-29 21:06:40,495 INFO L274 CegarLoopResult]: For program point L175(lines 175 605) no Hoare annotation was computed. [2020-11-29 21:06:40,495 INFO L274 CegarLoopResult]: For program point L142(lines 142 616) no Hoare annotation was computed. [2020-11-29 21:06:40,496 INFO L274 CegarLoopResult]: For program point L109(lines 109 627) no Hoare annotation was computed. [2020-11-29 21:06:40,496 INFO L274 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-11-29 21:06:40,496 INFO L277 CegarLoopResult]: At program point L209(lines 208 594) the Hoare annotation is: true [2020-11-29 21:06:40,496 INFO L277 CegarLoopResult]: At program point L176(lines 172 606) the Hoare annotation is: true [2020-11-29 21:06:40,497 INFO L277 CegarLoopResult]: At program point L143(lines 139 617) the Hoare annotation is: true [2020-11-29 21:06:40,498 INFO L274 CegarLoopResult]: For program point L77(lines 77 85) no Hoare annotation was computed. [2020-11-29 21:06:40,501 INFO L274 CegarLoopResult]: For program point L408(lines 408 414) no Hoare annotation was computed. [2020-11-29 21:06:40,501 INFO L274 CegarLoopResult]: For program point L574(lines 574 584) no Hoare annotation was computed. [2020-11-29 21:06:40,502 INFO L274 CegarLoopResult]: For program point L574-1(lines 574 584) no Hoare annotation was computed. [2020-11-29 21:06:40,502 INFO L274 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-11-29 21:06:40,502 INFO L274 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-11-29 21:06:40,503 INFO L274 CegarLoopResult]: For program point L178(lines 178 604) no Hoare annotation was computed. [2020-11-29 21:06:40,503 INFO L274 CegarLoopResult]: For program point L145(lines 145 615) no Hoare annotation was computed. [2020-11-29 21:06:40,504 INFO L274 CegarLoopResult]: For program point L112(lines 112 626) no Hoare annotation was computed. [2020-11-29 21:06:40,505 INFO L274 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-11-29 21:06:40,505 INFO L274 CegarLoopResult]: For program point L311(lines 311 319) no Hoare annotation was computed. [2020-11-29 21:06:40,505 INFO L277 CegarLoopResult]: At program point L212(lines 211 593) the Hoare annotation is: true [2020-11-29 21:06:40,506 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-11-29 21:06:40,510 INFO L274 CegarLoopResult]: For program point L80-2(lines 77 85) no Hoare annotation was computed. [2020-11-29 21:06:40,511 INFO L277 CegarLoopResult]: At program point L675(lines 68 677) the Hoare annotation is: true [2020-11-29 21:06:40,511 INFO L274 CegarLoopResult]: For program point L642(lines 642 648) no Hoare annotation was computed. [2020-11-29 21:06:40,511 INFO L274 CegarLoopResult]: For program point L543(lines 543 548) no Hoare annotation was computed. [2020-11-29 21:06:40,511 INFO L277 CegarLoopResult]: At program point L676(lines 11 678) the Hoare annotation is: true [2020-11-29 21:06:40,512 INFO L274 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-11-29 21:06:40,512 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 269) no Hoare annotation was computed. [2020-11-29 21:06:40,512 INFO L274 CegarLoopResult]: For program point L181(lines 181 603) no Hoare annotation was computed. [2020-11-29 21:06:40,512 INFO L274 CegarLoopResult]: For program point L148(lines 148 614) no Hoare annotation was computed. [2020-11-29 21:06:40,512 INFO L274 CegarLoopResult]: For program point L115(lines 115 625) no Hoare annotation was computed. [2020-11-29 21:06:40,513 INFO L274 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-11-29 21:06:40,513 INFO L274 CegarLoopResult]: For program point L314-2(lines 213 590) no Hoare annotation was computed. [2020-11-29 21:06:40,513 INFO L277 CegarLoopResult]: At program point L182(lines 178 604) the Hoare annotation is: true [2020-11-29 21:06:40,513 INFO L277 CegarLoopResult]: At program point L149(lines 145 615) the Hoare annotation is: true [2020-11-29 21:06:40,513 INFO L277 CegarLoopResult]: At program point L216(lines 109 627) the Hoare annotation is: true [2020-11-29 21:06:40,514 INFO L274 CegarLoopResult]: For program point L514(lines 514 518) no Hoare annotation was computed. [2020-11-29 21:06:40,514 INFO L274 CegarLoopResult]: For program point L514-2(lines 514 518) no Hoare annotation was computed. [2020-11-29 21:06:40,514 INFO L274 CegarLoopResult]: For program point L448-1(lines 448 460) no Hoare annotation was computed. [2020-11-29 21:06:40,514 INFO L274 CegarLoopResult]: For program point L184(lines 184 602) no Hoare annotation was computed. [2020-11-29 21:06:40,514 INFO L274 CegarLoopResult]: For program point L151(lines 151 613) no Hoare annotation was computed. [2020-11-29 21:06:40,514 INFO L274 CegarLoopResult]: For program point L118(lines 118 624) no Hoare annotation was computed. [2020-11-29 21:06:40,515 INFO L277 CegarLoopResult]: At program point L416(lines 407 427) the Hoare annotation is: true [2020-11-29 21:06:40,515 INFO L274 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-11-29 21:06:40,515 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 21:06:40,516 INFO L274 CegarLoopResult]: For program point L350-2(lines 213 590) no Hoare annotation was computed. [2020-11-29 21:06:40,516 INFO L274 CegarLoopResult]: For program point L87(lines 87 95) no Hoare annotation was computed. [2020-11-29 21:06:40,516 INFO L274 CegarLoopResult]: For program point L87-1(lines 68 677) no Hoare annotation was computed. [2020-11-29 21:06:40,517 INFO L274 CegarLoopResult]: For program point L451(lines 451 456) no Hoare annotation was computed. [2020-11-29 21:06:40,517 INFO L274 CegarLoopResult]: For program point L187(lines 187 601) no Hoare annotation was computed. [2020-11-29 21:06:40,517 INFO L274 CegarLoopResult]: For program point L154(lines 154 612) no Hoare annotation was computed. [2020-11-29 21:06:40,517 INFO L274 CegarLoopResult]: For program point L121(lines 121 623) no Hoare annotation was computed. [2020-11-29 21:06:40,517 INFO L274 CegarLoopResult]: For program point L88(lines 88 92) no Hoare annotation was computed. [2020-11-29 21:06:40,518 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 21:06:40,518 INFO L274 CegarLoopResult]: For program point L221(lines 221 225) no Hoare annotation was computed. [2020-11-29 21:06:40,518 INFO L277 CegarLoopResult]: At program point L188(lines 184 602) the Hoare annotation is: true [2020-11-29 21:06:40,518 INFO L277 CegarLoopResult]: At program point L155(lines 151 613) the Hoare annotation is: true [2020-11-29 21:06:40,518 INFO L274 CegarLoopResult]: For program point L221-2(lines 213 590) no Hoare annotation was computed. [2020-11-29 21:06:40,519 INFO L274 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-11-29 21:06:40,519 INFO L274 CegarLoopResult]: For program point L487(lines 487 491) no Hoare annotation was computed. [2020-11-29 21:06:40,519 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 21:06:40,519 INFO L274 CegarLoopResult]: For program point L190(lines 190 600) no Hoare annotation was computed. [2020-11-29 21:06:40,519 INFO L274 CegarLoopResult]: For program point L157(lines 157 611) no Hoare annotation was computed. [2020-11-29 21:06:40,520 INFO L274 CegarLoopResult]: For program point L124(lines 124 622) no Hoare annotation was computed. [2020-11-29 21:06:40,520 INFO L277 CegarLoopResult]: At program point L554(lines 68 677) the Hoare annotation is: true [2020-11-29 21:06:40,520 INFO L277 CegarLoopResult]: At program point L125(lines 121 623) the Hoare annotation is: true [2020-11-29 21:06:40,520 INFO L274 CegarLoopResult]: For program point L258(lines 258 271) no Hoare annotation was computed. [2020-11-29 21:06:40,521 INFO L277 CegarLoopResult]: At program point L688(lines 679 690) the Hoare annotation is: true [2020-11-29 21:06:40,521 INFO L274 CegarLoopResult]: For program point L358(lines 358 389) no Hoare annotation was computed. [2020-11-29 21:06:40,521 INFO L274 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-11-29 21:06:40,521 INFO L274 CegarLoopResult]: For program point L259(lines 259 264) no Hoare annotation was computed. [2020-11-29 21:06:40,521 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2020-11-29 21:06:40,522 INFO L274 CegarLoopResult]: For program point L193(lines 193 599) no Hoare annotation was computed. [2020-11-29 21:06:40,522 INFO L274 CegarLoopResult]: For program point L160(lines 160 610) no Hoare annotation was computed. [2020-11-29 21:06:40,522 INFO L274 CegarLoopResult]: For program point L127(lines 127 621) no Hoare annotation was computed. [2020-11-29 21:06:40,522 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 266) no Hoare annotation was computed. [2020-11-29 21:06:40,522 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 21:06:40,523 INFO L274 CegarLoopResult]: For program point L524(lines 524 529) no Hoare annotation was computed. [2020-11-29 21:06:40,523 INFO L277 CegarLoopResult]: At program point L194(lines 190 600) the Hoare annotation is: true [2020-11-29 21:06:40,523 INFO L277 CegarLoopResult]: At program point L161(lines 157 611) the Hoare annotation is: true [2020-11-29 21:06:40,523 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2020-11-29 21:06:40,523 INFO L277 CegarLoopResult]: At program point L128(lines 127 621) the Hoare annotation is: true [2020-11-29 21:06:40,524 INFO L277 CegarLoopResult]: At program point L591(lines 103 659) the Hoare annotation is: true [2020-11-29 21:06:40,524 INFO L274 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-11-29 21:06:40,525 INFO L274 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-11-29 21:06:40,526 INFO L274 CegarLoopResult]: For program point L294-2(lines 213 590) no Hoare annotation was computed. [2020-11-29 21:06:40,527 INFO L274 CegarLoopResult]: For program point L361(lines 361 388) no Hoare annotation was computed. [2020-11-29 21:06:40,527 INFO L274 CegarLoopResult]: For program point L361-1(lines 361 388) no Hoare annotation was computed. [2020-11-29 21:06:40,527 INFO L274 CegarLoopResult]: For program point L196(lines 196 598) no Hoare annotation was computed. [2020-11-29 21:06:40,527 INFO L274 CegarLoopResult]: For program point L163(lines 163 609) no Hoare annotation was computed. [2020-11-29 21:06:40,528 INFO L274 CegarLoopResult]: For program point L130(lines 130 620) no Hoare annotation was computed. [2020-11-29 21:06:40,528 INFO L274 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-11-29 21:06:40,528 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 21:06:40,528 INFO L277 CegarLoopResult]: At program point L660(lines 102 661) the Hoare annotation is: true [2020-11-29 21:06:40,528 INFO L274 CegarLoopResult]: For program point L397(lines 397 428) no Hoare annotation was computed. [2020-11-29 21:06:40,529 INFO L274 CegarLoopResult]: For program point L199(lines 199 597) no Hoare annotation was computed. [2020-11-29 21:06:40,529 INFO L274 CegarLoopResult]: For program point L166(lines 166 608) no Hoare annotation was computed. [2020-11-29 21:06:40,529 INFO L274 CegarLoopResult]: For program point L133(lines 133 619) no Hoare annotation was computed. [2020-11-29 21:06:40,529 INFO L274 CegarLoopResult]: For program point L629(lines 629 657) no Hoare annotation was computed. [2020-11-29 21:06:40,529 INFO L274 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-11-29 21:06:40,529 INFO L274 CegarLoopResult]: For program point L365(lines 365 384) no Hoare annotation was computed. [2020-11-29 21:06:40,530 INFO L274 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-11-29 21:06:40,530 INFO L274 CegarLoopResult]: For program point L233(lines 233 250) no Hoare annotation was computed. [2020-11-29 21:06:40,530 INFO L277 CegarLoopResult]: At program point L200(lines 196 598) the Hoare annotation is: true [2020-11-29 21:06:40,530 INFO L277 CegarLoopResult]: At program point L167(lines 163 609) the Hoare annotation is: true [2020-11-29 21:06:40,530 INFO L274 CegarLoopResult]: For program point L233-2(lines 213 590) no Hoare annotation was computed. [2020-11-29 21:06:40,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:06:40 BoogieIcfgContainer [2020-11-29 21:06:40,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:06:40,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:06:40,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:06:40,552 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:06:40,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:06:39" (3/4) ... [2020-11-29 21:06:40,556 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:06:40,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 21:06:40,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 21:06:40,591 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:06:40,592 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:06:40,787 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b2833c74-ba31-40df-9452-00f59bb349f9/bin/uautomizer/witness.graphml [2020-11-29 21:06:40,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:06:40,790 INFO L168 Benchmark]: Toolchain (without parser) took 2784.28 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 72.6 MB in the beginning and 76.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:06:40,790 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:06:40,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.39 ms. Allocated memory is still 102.8 MB. Free memory was 72.4 MB in the beginning and 76.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:06:40,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.52 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 73.5 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:06:40,792 INFO L168 Benchmark]: Boogie Preprocessor took 39.76 ms. Allocated memory is still 102.8 MB. Free memory was 73.1 MB in the beginning and 71.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:06:40,792 INFO L168 Benchmark]: RCFGBuilder took 1311.24 ms. Allocated memory is still 102.8 MB. Free memory was 71.0 MB in the beginning and 53.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:06:40,793 INFO L168 Benchmark]: TraceAbstraction took 631.66 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 53.2 MB in the beginning and 86.2 MB in the end (delta: -33.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:06:40,793 INFO L168 Benchmark]: Witness Printer took 235.97 ms. Allocated memory is still 130.0 MB. Free memory was 86.2 MB in the beginning and 76.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:06:40,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.39 ms. Allocated memory is still 102.8 MB. Free memory was 72.4 MB in the beginning and 76.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.52 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 73.5 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.76 ms. Allocated memory is still 102.8 MB. Free memory was 73.1 MB in the beginning and 71.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1311.24 ms. Allocated memory is still 102.8 MB. Free memory was 71.0 MB in the beginning and 53.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 631.66 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 53.2 MB in the beginning and 86.2 MB in the end (delta: -33.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 235.97 ms. Allocated memory is still 130.0 MB. Free memory was 86.2 MB in the beginning and 76.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 269]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 269]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 266]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 148 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 220 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 58 NumberOfFragments, 29 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...