./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.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_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/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_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/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_0d63b571-304e-4e78-ae83-1d4fe229ec8a/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 ca2134f8a32f49a0943527ee47fd89b4eb01286294fd09a8197c7c707de74c1d --- 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 17:06:18,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:18,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:18,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:18,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:18,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:18,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:18,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:18,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:18,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:18,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:18,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:18,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:18,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:18,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:18,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:18,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:18,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:18,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:18,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:18,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:18,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:18,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:18,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:18,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:18,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:18,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:18,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:18,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:18,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:18,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:18,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:18,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:18,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:18,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:18,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:18,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:18,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:18,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:18,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:18,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:18,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:06:18,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:18,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:18,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:18,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:18,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:18,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:18,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:18,224 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:18,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:18,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:18,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:18,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:18,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:18,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:18,227 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:18,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:18,227 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:18,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:18,228 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:18,228 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:18,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:18,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:18,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:18,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:18,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:18,230 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:18,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:18,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:18,232 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_0d63b571-304e-4e78-ae83-1d4fe229ec8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca2134f8a32f49a0943527ee47fd89b4eb01286294fd09a8197c7c707de74c1d [2022-10-17 17:06:18,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:18,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:18,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:18,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:18,524 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:18,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c [2022-10-17 17:06:18,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/data/fc4d4bc7d/5c0bcfcc66fb43968872fb1376925ae5/FLAG4196bcd02 [2022-10-17 17:06:19,097 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:19,100 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c [2022-10-17 17:06:19,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/data/fc4d4bc7d/5c0bcfcc66fb43968872fb1376925ae5/FLAG4196bcd02 [2022-10-17 17:06:19,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/data/fc4d4bc7d/5c0bcfcc66fb43968872fb1376925ae5 [2022-10-17 17:06:19,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:19,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:19,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:19,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:19,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:19,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e90283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19, skipping insertion in model container [2022-10-17 17:06:19,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:19,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:19,718 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_0d63b571-304e-4e78-ae83-1d4fe229ec8a/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c[535,548] [2022-10-17 17:06:19,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:19,771 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:19,787 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_0d63b571-304e-4e78-ae83-1d4fe229ec8a/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c[535,548] [2022-10-17 17:06:19,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:19,839 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:19,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19 WrapperNode [2022-10-17 17:06:19,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:19,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:19,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:19,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:19,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,876 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-10-17 17:06:19,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:19,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:19,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:19,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:19,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:19,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:19,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:19,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:19,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:19" (1/1) ... [2022-10-17 17:06:19,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:19,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:19,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:19,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d63b571-304e-4e78-ae83-1d4fe229ec8a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:06:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:06:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:06:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:06:20,061 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:20,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:20,300 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:20,345 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:20,346 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:06:20,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:20 BoogieIcfgContainer [2022-10-17 17:06:20,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:06:20,365 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:06:20,365 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:06:20,376 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:06:20,377 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:06:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-10-17 17:06:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-10-17 17:06:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:06:20,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:20,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:20,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:06:20,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:20,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-10-17 17:06:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-10-17 17:06:20,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:20,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:20,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:20,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:06:20,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:21,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-10-17 17:06:21,029 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-10-17 17:06:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:21,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:21,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:21,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:06:21,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2022-10-17 17:06:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2022-10-17 17:06:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:06:22,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:22,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:23,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:06:23,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:26,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2022-10-17 17:06:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-10-17 17:06:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:06:26,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:26,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:26,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:06:26,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2022-10-17 17:06:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2022-10-17 17:06:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:06:27,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:27,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:27,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:06:27,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:36,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 17:06:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2022-10-17 17:06:50,954 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2022-10-17 17:06:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:06:50,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:50,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:50,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:06:50,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:06:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2022-10-17 17:06:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2022-10-17 17:06:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:06:51,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:51,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:51,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:06:51,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.