./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sum.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c788c1819bdb49f70cf486a187bd014d3d2cd0616eddb169336e33d9a4226f9c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:30:26,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:26,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:26,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:26,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:26,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:26,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:26,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:26,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:26,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:26,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:26,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:26,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:26,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:26,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:26,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:26,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:26,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:26,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:26,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:26,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:26,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:26,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:26,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:26,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:26,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:26,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:26,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:26,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:26,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:26,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:26,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:26,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:26,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:26,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:26,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:26,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:26,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:26,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:26,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:26,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:26,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:26,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:26,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:26,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:26,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:26,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:26,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:26,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:26,815 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:26,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:26,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:26,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:26,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:26,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:26,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:26,817 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:26,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:26,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:26,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:26,818 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:26,818 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:26,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:26,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:26,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:26,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:26,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:26,820 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:26,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:26,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:26,821 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_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c788c1819bdb49f70cf486a187bd014d3d2cd0616eddb169336e33d9a4226f9c [2022-10-17 16:30:27,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:27,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:27,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:27,159 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:27,160 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:27,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/reducercommutativity/sum.i [2022-10-17 16:30:27,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/data/71b7ecc1f/29efa312f11c4736a4db7e024a6106dc/FLAGe4276cc31 [2022-10-17 16:30:27,741 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:27,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/sv-benchmarks/c/reducercommutativity/sum.i [2022-10-17 16:30:27,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/data/71b7ecc1f/29efa312f11c4736a4db7e024a6106dc/FLAGe4276cc31 [2022-10-17 16:30:28,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/data/71b7ecc1f/29efa312f11c4736a4db7e024a6106dc [2022-10-17 16:30:28,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:28,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:28,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:28,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:28,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:28,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55038802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28, skipping insertion in model container [2022-10-17 16:30:28,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:28,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:28,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/sv-benchmarks/c/reducercommutativity/sum.i[1282,1295] [2022-10-17 16:30:28,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:28,401 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:28,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/sv-benchmarks/c/reducercommutativity/sum.i[1282,1295] [2022-10-17 16:30:28,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:28,472 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:28,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28 WrapperNode [2022-10-17 16:30:28,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:28,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:28,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:28,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:28,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,539 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-10-17 16:30:28,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:28,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:28,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:28,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:28,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:28,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:28,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:28,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:28,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:28" (1/1) ... [2022-10-17 16:30:28,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:28,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:28,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:28,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d85e2e-4b0c-4069-8165-c35a9087b477/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-10-17 16:30:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-10-17 16:30:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:30:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:30:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:28,770 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:28,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:28,965 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:29,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:29,006 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:30:29,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:29 BoogieIcfgContainer [2022-10-17 16:30:29,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:29,010 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:29,010 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:29,030 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:29,030 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:29,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:29,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 16:30:29,121 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 16:30:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:30:29,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:29,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:30:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 28 transitions. [2022-10-17 16:30:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 16:30:29,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:30:29,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:29,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:30:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 27 transitions. [2022-10-17 16:30:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:30:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:30:30,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:30,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:30:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 29 transitions. [2022-10-17 16:30:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:30:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:30:30,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:30,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:30:30,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 28 transitions. [2022-10-17 16:30:30,622 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 16:30:30,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:30:30,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:30,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:30:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:30,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 33 transitions. [2022-10-17 16:30:30,851 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 16:30:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:30:30,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:30,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:30:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 59 transitions. [2022-10-17 16:30:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2022-10-17 16:30:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:41,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:41,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:45,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:45,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:46,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:46,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:46,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:46,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:47,918 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:47,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:47,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:48,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:48,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:50,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:50,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:51,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:51,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:51,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:52,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:52,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:52,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:52,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:53,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:54,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:54,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:30:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 55 transitions. [2022-10-17 16:30:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-10-17 16:30:55,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:55,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:55,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.