./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.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_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/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_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/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_845d8909-0ebd-4915-8b0f-71ab0bdd7028/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 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 --- 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 16:52:12,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:12,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:12,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:12,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:12,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:12,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:12,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:12,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:12,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:12,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:12,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:12,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:12,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:12,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:12,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:12,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:12,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:12,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:12,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:12,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:12,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:12,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:12,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:12,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:12,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:12,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:12,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:12,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:12,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:12,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:12,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:12,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:12,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:12,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:12,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:12,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:12,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:12,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:12,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:12,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:12,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:52:12,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:12,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:12,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:12,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:12,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:12,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:12,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:12,289 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:12,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:12,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:12,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:12,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:12,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:12,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:12,292 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:12,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:12,293 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:12,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:12,293 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:12,293 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:12,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:12,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:12,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:12,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:12,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:12,295 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:12,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:12,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:12,297 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_845d8909-0ebd-4915-8b0f-71ab0bdd7028/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 [2022-10-17 16:52:12,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:12,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:12,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:12,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:12,627 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:12,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c [2022-10-17 16:52:12,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/data/cea4218a1/7ab37def3c25477fa68536ef9829fa88/FLAG9027e6f2b [2022-10-17 16:52:13,147 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:13,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c [2022-10-17 16:52:13,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/data/cea4218a1/7ab37def3c25477fa68536ef9829fa88/FLAG9027e6f2b [2022-10-17 16:52:13,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/data/cea4218a1/7ab37def3c25477fa68536ef9829fa88 [2022-10-17 16:52:13,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:13,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:13,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:13,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:13,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:13,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:13,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6b9fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13, skipping insertion in model container [2022-10-17 16:52:13,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:13,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:13,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:13,836 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_845d8909-0ebd-4915-8b0f-71ab0bdd7028/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c[535,548] [2022-10-17 16:52:13,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:13,885 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:13,909 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_845d8909-0ebd-4915-8b0f-71ab0bdd7028/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c[535,548] [2022-10-17 16:52:13,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:13,956 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:13,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13 WrapperNode [2022-10-17 16:52:13,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:13,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:13,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:13,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:13,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:13,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:13,996 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-10-17 16:52:13,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:13,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:13,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:13,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:14,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:14,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:14,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:14,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:14,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:14,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:14,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:14,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:14,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:14,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:14,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:14,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:14,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:13" (1/1) ... [2022-10-17 16:52:14,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:14,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:14,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:14,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:52:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:52:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:52:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:52:14,199 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:14,201 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:14,391 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:14,417 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:14,417 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:52:14,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:14 BoogieIcfgContainer [2022-10-17 16:52:14,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:14,421 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:14,421 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:14,436 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:14,436 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:14" (1/1) ... [2022-10-17 16:52:14,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-10-17 16:52:14,510 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-10-17 16:52:14,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:52:14,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:14,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:14,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:14,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:14,663 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 16:52:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:14,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-10-17 16:52:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-10-17 16:52:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:14,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:14,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:14,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:52:14,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:14,830 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 16:52:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-10-17 16:52:14,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-10-17 16:52:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:14,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:14,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:14,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:52:14,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:15,286 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 16:52:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2022-10-17 16:52:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2022-10-17 16:52:16,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:52:16,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:16,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:16,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:52:16,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:17,219 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 16:52:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2022-10-17 16:52:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-10-17 16:52:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:52:18,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:18,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:18,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:52:18,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:18,351 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 16:52:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2022-10-17 16:52:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2022-10-17 16:52:18,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:52:18,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:18,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:18,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:18,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:18,628 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 16:52:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2022-10-17 16:52:31,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2022-10-17 16:52:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:52:31,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:52:31,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:31,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:43,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:43,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 116 transitions. [2022-10-17 16:52:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 116 transitions. [2022-10-17 16:52:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:52:43,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:43,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:43,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:52:43,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 65 states and 118 transitions. [2022-10-17 16:52:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 118 transitions. [2022-10-17 16:52:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:52:46,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:46,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:46,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:52:46,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2022-10-17 16:52:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2022-10-17 16:52:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:52:47,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:47,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:47,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:52:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:47,655 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2022-10-17 16:52:47,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:52:47 ImpRootNode [2022-10-17 16:52:47,691 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:52:47,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:52:47,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:52:47,692 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:52:47,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:14" (3/4) ... [2022-10-17 16:52:47,695 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:52:47,763 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:52:47,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:52:47,764 INFO L158 Benchmark]: Toolchain (without parser) took 34205.33ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 61.3MB in the beginning and 40.6MB in the end (delta: 20.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:47,765 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:47,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.98ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 76.0MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:52:47,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.14ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 74.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:47,768 INFO L158 Benchmark]: Boogie Preprocessor took 33.51ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 73.1MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:52:47,769 INFO L158 Benchmark]: RCFGBuilder took 388.93ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 60.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:52:47,770 INFO L158 Benchmark]: CodeCheck took 33270.45ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 42.7MB in the end (delta: 17.5MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2022-10-17 16:52:47,771 INFO L158 Benchmark]: Witness Printer took 71.42ms. Allocated memory is still 121.6MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:47,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 686 SdHoareTripleChecker+Valid, 12.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 521 SdHoareTripleChecker+Invalid, 11.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 422 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1257 IncrementalHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 422 mSolverCounterUnsat, 359 mSDtfsCounter, 1257 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1856 GetRequests, 1726 SyntacticMatches, 10 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5749 ImplicationChecksByTransitivity, 29.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 603 SizeOfPredicates, 12 NumberOfNonLiveVariables, 744 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 51/54 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int counter = 0; [L21] int A, R; [L22] long long u, v, r; [L23] A = __VERIFIER_nondet_int() [L24] R = __VERIFIER_nondet_int() [L25] CALL assume_abort_if_not((((long long) R - 1) * ((long long) R - 1)) < A) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L25] RET assume_abort_if_not((((long long) R - 1) * ((long long) R - 1)) < A) VAL [A=5, counter=0, R=2] [L27] CALL assume_abort_if_not(A % 2 == 1) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L27] RET assume_abort_if_not(A % 2 == 1) VAL [A=5, counter=0, R=2] [L29] u = ((long long) 2 * R) + 1 [L30] v = 1 [L31] r = ((long long) R * R) - A VAL [A=5, counter=0, r=-1, R=2, u=5, v=1] [L34] EXPR counter++ VAL [A=5, counter=1, counter++=0, r=-1, R=2, u=5, v=1] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, counter=1] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [A=5, counter=1, r=-1, R=2, u=5, v=1] [L36] COND FALSE !(!(r != 0)) VAL [A=5, counter=1, R=2, r=-1, u=5, v=1] [L39] EXPR counter++ VAL [A=5, counter=2, counter++=1, R=2, r=-1, u=5, v=1] [L39] COND TRUE counter++<2 [L40] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, counter=2] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L40] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [A=5, counter=2, r=-1, R=2, u=5, v=1] [L41] COND TRUE !(r > 0) VAL [A=5, counter=2, r=-1, R=2, u=5, v=1] [L47] EXPR counter++ VAL [A=5, counter=3, counter++=2, R=2, r=-1, u=5, v=1] [L47] COND FALSE !(counter++<2) [L34] EXPR counter++ VAL [A=5, counter=4, counter++=3, r=-1, R=2, u=5, v=1] [L34] COND FALSE !(counter++<2) [L56] CALL __VERIFIER_assert(((long long) 4*A) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=0, counter=4] [L12] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=4] [L14] reach_error() VAL [\old(cond)=0, cond=0, counter=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.98ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 76.0MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.14ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 74.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.51ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 73.1MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 388.93ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 60.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 33270.45ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 42.7MB in the end (delta: 17.5MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Witness Printer took 71.42ms. Allocated memory is still 121.6MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:52:47,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_845d8909-0ebd-4915-8b0f-71ab0bdd7028/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE