./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/prefixsum_iter.c --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_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/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_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/prefixsum_iter.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/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_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/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 4cd641fa41c29ed0240eed782d3555502472fe8bb63d504547076d8eeefa2c0d --- 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 16:34:15,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:34:15,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:34:15,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:34:15,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:34:15,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:34:15,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:34:15,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:34:15,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:34:15,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:34:15,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:34:15,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:34:15,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:34:15,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:34:15,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:34:15,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:34:15,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:34:15,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:34:15,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:34:15,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:34:15,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:34:15,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:34:15,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:34:15,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:34:15,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:34:15,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:34:15,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:34:15,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:34:15,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:34:15,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:34:15,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:34:15,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:34:15,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:34:15,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:34:15,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:34:15,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:34:15,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:34:15,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:34:15,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:34:15,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:34:15,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:34:15,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:34:15,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:34:15,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:34:15,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:34:15,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:34:15,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:34:15,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:34:15,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:34:15,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:34:15,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:34:15,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:34:15,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:34:15,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:34:15,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:34:15,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:34:15,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:34:15,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:34:15,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:34:15,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:34:15,254 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:34:15,255 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:34:15,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:34:15,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:15,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:34:15,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:34:15,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:34:15,256 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:34:15,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:34:15,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:34:15,257 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_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cd641fa41c29ed0240eed782d3555502472fe8bb63d504547076d8eeefa2c0d [2022-10-17 16:34:15,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:34:15,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:34:15,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:34:15,561 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:34:15,562 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:34:15,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/verifythis/prefixsum_iter.c [2022-10-17 16:34:15,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/data/a635d2c07/16daec520ce04297a04d0ef62906d88c/FLAG05c32da8a [2022-10-17 16:34:16,038 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:34:16,038 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/sv-benchmarks/c/verifythis/prefixsum_iter.c [2022-10-17 16:34:16,045 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/data/a635d2c07/16daec520ce04297a04d0ef62906d88c/FLAG05c32da8a [2022-10-17 16:34:16,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/data/a635d2c07/16daec520ce04297a04d0ef62906d88c [2022-10-17 16:34:16,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:34:16,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:34:16,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:16,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:34:16,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:34:16,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5f1d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16, skipping insertion in model container [2022-10-17 16:34:16,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:34:16,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:34:16,324 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_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/sv-benchmarks/c/verifythis/prefixsum_iter.c[526,539] [2022-10-17 16:34:16,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:16,378 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:34:16,401 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_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/sv-benchmarks/c/verifythis/prefixsum_iter.c[526,539] [2022-10-17 16:34:16,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:16,428 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:34:16,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16 WrapperNode [2022-10-17 16:34:16,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:16,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:16,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:34:16,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:34:16,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,507 INFO L138 Inliner]: procedures = 22, calls = 33, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-10-17 16:34:16,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:16,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:34:16,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:34:16,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:34:16,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,559 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:34:16,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:34:16,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:34:16,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:34:16,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:16,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:34:16,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:34:16,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3dfb17-c61f-4eaf-8959-5c3efd4f824e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:34:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:34:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:34:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:34:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:34:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:34:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:34:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:34:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:34:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:34:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 16:34:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 16:34:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:34:16,812 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:34:16,814 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:34:17,132 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:34:17,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:34:17,222 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-10-17 16:34:17,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:17 BoogieIcfgContainer [2022-10-17 16:34:17,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:34:17,226 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:34:17,226 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:34:17,244 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:34:17,244 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:17" (1/1) ... [2022-10-17 16:34:17,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:34:17,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:17,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-10-17 16:34:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-10-17 16:34:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:34:17,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:28,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 16:34:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2022-10-17 16:34:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2022-10-17 16:34:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:34:28,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:28,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:34:31,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 68 transitions. [2022-10-17 16:34:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2022-10-17 16:34:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:34:31,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:31,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:33,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 41 states and 84 transitions. [2022-10-17 16:34:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 84 transitions. [2022-10-17 16:34:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:34:37,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:37,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:34:37,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 42 states and 85 transitions. [2022-10-17 16:34:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2022-10-17 16:34:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:34:37,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:37,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 43 states and 88 transitions. [2022-10-17 16:34:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 88 transitions. [2022-10-17 16:34:38,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:34:38,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:38,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:41,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 45 states and 91 transitions. [2022-10-17 16:34:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 91 transitions. [2022-10-17 16:34:41,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:34:41,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:41,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:34:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 46 states and 92 transitions. [2022-10-17 16:34:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2022-10-17 16:34:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:34:42,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:42,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:43,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 93 transitions. [2022-10-17 16:34:43,557 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2022-10-17 16:34:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:34:43,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:43,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:34:45,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 49 states and 99 transitions. [2022-10-17 16:34:45,773 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 99 transitions. [2022-10-17 16:34:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:34:45,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:45,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:50,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 54 states and 112 transitions. [2022-10-17 16:34:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2022-10-17 16:34:50,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:34:50,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:50,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 113 transitions. [2022-10-17 16:34:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 113 transitions. [2022-10-17 16:34:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:34:51,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:51,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.