./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4 --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 2e2cde485588a76ffd9007a3156c09bf9b7ea2f13bf08ca050cf52c24b8b1e9f --- 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-2329fc7 [2022-12-15 03:28:40,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:28:40,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:28:40,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:28:40,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:28:40,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:28:40,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:28:40,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:28:40,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:28:40,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:28:40,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:28:40,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:28:40,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:28:40,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:28:40,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:28:40,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:28:40,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:28:40,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:28:40,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:28:40,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:28:40,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:28:40,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:28:40,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:28:40,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:28:40,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:28:40,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:28:40,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:28:40,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:28:40,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:28:40,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:28:40,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:28:40,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:28:40,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:28:40,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:28:40,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:28:40,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:28:40,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:28:40,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:28:40,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:28:40,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:28:40,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:28:40,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:28:40,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:28:40,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:28:40,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:28:40,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:28:40,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:28:40,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:28:40,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:28:40,190 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:28:40,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:28:40,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:28:40,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:28:40,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:28:40,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:28:40,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:28:40,190 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:28:40,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:28:40,191 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:28:40,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:28:40,191 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:28:40,191 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:28:40,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:28:40,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:28:40,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:28:40,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:28:40,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:28:40,192 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:28:40,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:28:40,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:28:40,192 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_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e2cde485588a76ffd9007a3156c09bf9b7ea2f13bf08ca050cf52c24b8b1e9f [2022-12-15 03:28:40,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:28:40,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:28:40,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:28:40,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:28:40,377 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:28:40,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound2.c [2022-12-15 03:28:42,886 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:28:43,060 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:28:43,060 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound2.c [2022-12-15 03:28:43,066 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/data/563c83a60/1661b11a325f46eb9152a44a0292df61/FLAG64fd4977f [2022-12-15 03:28:43,466 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/data/563c83a60/1661b11a325f46eb9152a44a0292df61 [2022-12-15 03:28:43,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:28:43,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:28:43,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:28:43,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:28:43,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:28:43,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497d3bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43, skipping insertion in model container [2022-12-15 03:28:43,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:28:43,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:28:43,595 WARN L237 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_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound2.c[524,537] [2022-12-15 03:28:43,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:28:43,613 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:28:43,621 WARN L237 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_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound2.c[524,537] [2022-12-15 03:28:43,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:28:43,634 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:28:43,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43 WrapperNode [2022-12-15 03:28:43,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:28:43,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:28:43,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:28:43,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:28:43,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,655 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-12-15 03:28:43,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:28:43,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:28:43,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:28:43,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:28:43,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,667 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:28:43,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:28:43,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:28:43,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:28:43,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:28:43,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:28:43,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:28:43,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:28:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:28:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 03:28:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 03:28:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:28:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:28:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:28:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 03:28:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 03:28:43,768 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:28:43,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:28:43,864 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:28:43,886 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:28:43,886 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:28:43,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:28:43 BoogieIcfgContainer [2022-12-15 03:28:43,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:28:43,889 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:28:43,889 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:28:43,897 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:28:43,897 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:28:43" (1/1) ... [2022-12-15 03:28:43,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:28:43,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-15 03:28:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-15 03:28:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:28:43,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:44,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 03:28:44,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:44,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-12-15 03:28:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-15 03:28:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:28:44,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:44,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:44,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 03:28:44,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-15 03:28:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-15 03:28:44,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:28:44,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:44,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:44,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-15 03:28:44,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:45,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:28:45,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2022-12-15 03:28:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-12-15 03:28:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:28:45,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:45,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-15 03:28:45,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:47,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2022-12-15 03:28:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2022-12-15 03:28:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:28:47,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:47,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:47,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:28:47,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:29:15,412 WARN L233 SmtUtils]: Spent 20.17s on a formula simplification. DAG size of input: 34 DAG size of output: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:29:27,887 WARN L233 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:29:49,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:29:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:29:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 59 transitions. [2022-12-15 03:29:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2022-12-15 03:29:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:29:49,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:29:49,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:29:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:29:49,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 03:29:49,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:29:49,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:29:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:29:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 79 transitions. [2022-12-15 03:29:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-12-15 03:29:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:29:51,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:29:51,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:29:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:29:51,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:29:51,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:30:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:30:14,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:30:15,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:30:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:30:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 84 transitions. [2022-12-15 03:30:22,053 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2022-12-15 03:30:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 03:30:22,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:30:22,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:30:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:30:22,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:30:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:30:22,195 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2022-12-15 03:30:22,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:30:22 ImpRootNode [2022-12-15 03:30:22,213 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:30:22,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:30:22,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:30:22,214 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:30:22,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:28:43" (3/4) ... [2022-12-15 03:30:22,215 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 03:30:22,249 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:30:22,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:30:22,250 INFO L158 Benchmark]: Toolchain (without parser) took 98780.29ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 95.6MB in the beginning and 73.4MB in the end (delta: 22.2MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-12-15 03:30:22,250 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:30:22,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.78ms. Allocated memory is still 132.1MB. Free memory was 95.6MB in the beginning and 84.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:30:22,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.37ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 83.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:30:22,251 INFO L158 Benchmark]: Boogie Preprocessor took 12.64ms. Allocated memory is still 132.1MB. Free memory was 83.5MB in the beginning and 82.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:30:22,251 INFO L158 Benchmark]: RCFGBuilder took 219.09ms. Allocated memory is still 132.1MB. Free memory was 82.4MB in the beginning and 70.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 03:30:22,252 INFO L158 Benchmark]: CodeCheck took 98324.32ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 70.2MB in the beginning and 76.5MB in the end (delta: -6.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-12-15 03:30:22,252 INFO L158 Benchmark]: Witness Printer took 35.62ms. Allocated memory is still 167.8MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:30:22,254 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 98.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 386 SdHoareTripleChecker+Valid, 26.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 249 SdHoareTripleChecker+Invalid, 26.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 763 IncrementalHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 205 mSDtfsCounter, 763 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1138 GetRequests, 1026 SyntacticMatches, 6 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3753 ImplicationChecksByTransitivity, 86.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 1740 SizeOfPredicates, 12 NumberOfNonLiveVariables, 524 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 19/30 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() [L26] CALL assume_abort_if_not(((long long) R - 1) * ((long long) R - 1) < A) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L26] RET assume_abort_if_not(((long long) R - 1) * ((long long) R - 1) < A) VAL [A=11, counter=0, R=3] [L28] CALL assume_abort_if_not(A % 2 == 1) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L28] RET assume_abort_if_not(A % 2 == 1) VAL [A=11, counter=0, R=3] [L30] u = ((long long) 2 * R) + 1 [L31] v = 1 [L32] r = ((long long) R * R) - A VAL [A=11, counter=0, R=3, r=-2, u=7, v=1] [L34] EXPR counter++ VAL [A=11, counter=1, counter++=0, r=-2, R=3, u=7, 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=11, counter=1, R=3, r=-2, u=7, v=1] [L36] COND FALSE !(!(r != 0)) [L38] COND FALSE !(r > 0) [L42] r = r + u [L43] u = u + 2 VAL [A=11, counter=1, r=5, R=3, u=9, v=1] [L34] EXPR counter++ VAL [A=11, counter=2, counter++=1, r=5, R=3, u=9, 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=2] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [A=11, counter=2, r=5, R=3, u=9, v=1] [L36] COND FALSE !(!(r != 0)) [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [A=11, counter=2, r=4, R=3, u=9, v=3] [L34] EXPR counter++ VAL [A=11, counter=3, counter++=2, r=4, R=3, u=9, v=3] [L34] COND FALSE !(counter++<2) [L48] CALL __VERIFIER_assert(((long long) 4*A) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=0, counter=3] [L12] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L14] reach_error() VAL [\old(cond)=0, cond=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.78ms. Allocated memory is still 132.1MB. Free memory was 95.6MB in the beginning and 84.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.37ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 83.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.64ms. Allocated memory is still 132.1MB. Free memory was 83.5MB in the beginning and 82.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 219.09ms. Allocated memory is still 132.1MB. Free memory was 82.4MB in the beginning and 70.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 98324.32ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 70.2MB in the beginning and 76.5MB in the end (delta: -6.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Witness Printer took 35.62ms. Allocated memory is still 167.8MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 03:30:22,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf1c2d6-23ec-4fa9-b705-13a2ed0368db/bin/ukojak-rkRKPMF4O4/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